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鄉下的妹子太便宜,一次四個都要了[12P]

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Sexual Precocity in a 16-Month-Old, I, v% C/ N7 Q/ {, R6 N
Boy Induced by Indirect Topical
  f2 U( p* v" OExposure to Testosterone
0 W. G( e& i0 v% OSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
+ v) _; @6 P( m2 [and Kenneth R. Rettig, MD1
1 C5 o* ]2 r* N1 l2 O% e$ PClinical Pediatrics
1 [8 w9 n! Q9 n: |Volume 46 Number 6
3 ~  y! ~2 {- w) C6 D) HJuly 2007 540-543
7 y  B" |1 g: j© 2007 Sage Publications
. t, j+ R0 [8 O10.1177/0009922806296651, o1 K% s, g, [
http://clp.sagepub.com* l) B& |% R0 ]
hosted at
0 N( i1 T' |& C+ P+ Ohttp://online.sagepub.com: s% T3 c6 a, v$ v! ~
Precocious puberty in boys, central or peripheral,# r8 h, b) U$ p5 i$ d
is a significant concern for physicians. Central" `/ d0 u+ _1 ?# g: z# \" |
precocious puberty (CPP), which is mediated* r0 S/ \# F1 K0 e* \1 N. w
through the hypothalamic pituitary gonadal axis, has
; D( D3 b8 J9 g# x$ d  d& Na higher incidence of organic central nervous system
# u" V0 @- e& \/ Clesions in boys.1,2 Virilization in boys, as manifested
8 C! a  P3 @" f3 R4 X$ Q1 _by enlargement of the penis, development of pubic
9 R5 R9 a5 d1 U; k9 [7 c. O  I6 yhair, and facial acne without enlargement of testi-5 s& ?( {3 e) R0 Q/ e
cles, suggests peripheral or pseudopuberty.1-3 We
( G5 x& ~5 S9 |/ _5 _$ e1 \4 vreport a 16-month-old boy who presented with the2 T# V, q1 Y8 W+ m$ E# Y( \/ {8 Z
enlargement of the phallus and pubic hair develop-1 }8 {# U& \8 ^
ment without testicular enlargement, which was due
& [- h" q8 z" P1 X: C9 {* Oto the unintentional exposure to androgen gel used by
' ?2 N# Q  c# L1 ]the father. The family initially concealed this infor-* N4 E3 S9 E9 a+ H) f
mation, resulting in an extensive work-up for this) y+ P1 @6 B; d
child. Given the widespread and easy availability of
. z8 f; e% [/ etestosterone gel and cream, we believe this is proba-" c; K+ }6 t. r$ t6 m$ S& e) {8 ~
bly more common than the rare case report in the
2 X( E' ^& K6 V8 V6 ?  h8 f! q* zliterature.4
5 R. N/ Q4 y: ^! o5 f, ~Patient Report
# V6 x7 E! ~& U3 I" e8 ^A 16-month-old white child was referred to the. n3 M: K; E# r, h" [
endocrine clinic by his pediatrician with the concern
+ B* E8 ~# B7 W# E( lof early sexual development. His mother noticed
* ]. x2 i0 O2 P4 V' ylight colored pubic hair development when he was
- B0 v' e) w$ V0 {& cFrom the 1Division of Pediatric Endocrinology, 2University of  O; a8 q; q$ G. b# e/ I
South Alabama Medical Center, Mobile, Alabama.
4 Y. U+ n7 e  N9 UAddress correspondence to: Samar K. Bhowmick, MD, FACE,
1 Z8 `% y/ R1 {/ hProfessor of Pediatrics, University of South Alabama, College of
$ O( p+ ^4 R5 G0 y9 u% W' ?3 qMedicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
; d  z. Y; Z3 [e-mail: [email protected].  P) D, q, F" t- |% M
about 6 to 7 months old, which progressively became
3 L7 Q. G5 p: x* X3 s$ a3 cdarker. She was also concerned about the enlarge-% D7 D! W. o3 x) z
ment of his penis and frequent erections. The child  [9 A' D7 |% C5 _" m" f: R% l1 y- Y
was the product of a full-term normal delivery, with# A  [0 k6 ~. M- A' w
a birth weight of 7 lb 14 oz, and birth length of9 A3 S2 g6 _6 \  z# f! R. x1 J
20 inches. He was breast-fed throughout the first year% g2 k/ W7 {& S* I( }9 S1 d- |! L
of life and was still receiving breast milk along with! `, {( t, J2 ?# k! t
solid food. He had no hospitalizations or surgery,
' Z  T, x0 h& L9 [and his psychosocial and psychomotor development- B4 P7 Y9 d7 |, H' t) V, A% a
was age appropriate.
4 I: n, Z: `$ i) FThe family history was remarkable for the father,
3 A$ }# ]% f. }4 U) B' t4 awho was diagnosed with hypothyroidism at age 16,
3 G) x! H/ |" h. b9 ~6 Vwhich was treated with thyroxine. The father’s8 O1 O! D) C, m
height was 6 feet, and he went through a somewhat
3 m3 o9 o4 s/ t  eearly puberty and had stopped growing by age 14.! t3 x6 P! @9 ]& i
The father denied taking any other medication. The
6 r9 e4 }% h/ fchild’s mother was in good health. Her menarche# U% @9 K  Y: n7 v1 V
was at 11 years of age, and her height was at 5 feet  [( V- w# F& |8 ?
5 inches. There was no other family history of pre-5 H' T& V- `) e) N! P, O* p# D
cocious sexual development in the first-degree rela-
+ s8 x" M  d8 |6 Xtives. There were no siblings.
' f- p; A6 L/ j* Y! E. b- ePhysical Examination
6 C) I  O1 T' A, A5 OThe physical examination revealed a very active,+ Z/ _3 V+ e" y; L9 N- n
playful, and healthy boy. The vital signs documented
2 O" r$ h4 `/ \6 S4 u% k" Ha blood pressure of 85/50 mm Hg, his length was
7 ?: G/ B5 W. y, M* H7 x3 }/ X) U% N90 cm (>97th percentile), and his weight was 14.4 kg: B) Q5 W. P3 J+ E
(also >97th percentile). The observed yearly growth  n5 f$ g, K3 Q4 S
velocity was 30 cm (12 inches). The examination of
, N# H, }3 j* T* D$ m! e; s5 Fthe neck revealed no thyroid enlargement./ b: y7 B: p; R1 f  T% k+ I/ V
The genitourinary examination was remarkable for1 @0 j0 n# f1 w# |+ z
enlargement of the penis, with a stretched length of
+ K* p( ]) [' z: N1 A" j8 cm and a width of 2 cm. The glans penis was very well- V# c6 `0 u7 a7 C0 @  t
developed. The pubic hair was Tanner II, mostly around
# J3 a, \' v2 @' O( q540
2 d1 D& v% g( d4 J8 `8 F( Zat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
: I/ q& _5 p3 ]7 rthe base of the phallus and was dark and curled. The; T. S* o$ k' p+ q
testicular volume was prepubertal at 2 mL each.; [9 g$ c& @7 g4 s, h- ~7 \  [
The skin was moist and smooth and somewhat2 v) n1 W7 a1 C5 Y  {9 r0 I
oily. No axillary hair was noted. There were no/ e" F; R# C) L, @# L- k
abnormal skin pigmentations or café-au-lait spots.
! G3 O+ l. ?, ~5 {5 TNeurologic evaluation showed deep tendon reflex 2+
$ ?- |1 G! |( s3 obilateral and symmetrical. There was no suggestion+ `% F6 Y/ V. a2 ?: O
of papilledema.- }% s5 b9 i& e# p! M' K  h
Laboratory Evaluation
5 L% T& p- t3 L# c. F0 O/ OThe bone age was consistent with 28 months by
4 x7 k% F! M* _* z" v9 l5 uusing the standard of Greulich and Pyle at a chrono-
( o$ L& J/ z- l" y* plogic age of 16 months (advanced).5 Chromosomal
6 M2 V! n4 _9 F. C+ ]* G8 K: ~4 L( okaryotype was 46XY. The thyroid function test1 [) y7 f2 j& Q  K
showed a free T4 of 1.69 ng/dL, and thyroid stimu-8 Q- j0 a8 r; s  }0 ~7 b5 w% Y  [; }
lating hormone level was 1.3 µIU/mL (both normal).
' k' J  J' @, ~/ E) ]  VThe concentrations of serum electrolytes, blood0 r+ A4 ^1 c9 e, ~
urea nitrogen, creatinine, and calcium all were
. o6 h/ j7 F8 k; c8 }7 \1 swithin normal range for his age. The concentration- {6 V, J6 {& k8 q
of serum 17-hydroxyprogesterone was 16 ng/dL
  p: r. I* E1 T& l7 _2 `# W- y  F" m(normal, 3 to 90 ng/dL), androstenedione was 20
: `/ O9 E( b( O# T" {ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-1 Z3 w; _2 S0 j2 }1 R' |* Z9 A* x
terone was 38 ng/dL (normal, 50 to 760 ng/dL),6 `) C$ D& A" L( i0 ~
desoxycorticosterone was 4.3 ng/dL (normal, 7 to; b; ~7 y2 A' l0 ~
49ng/dL), 11-desoxycortisol (specific compound S)6 W! T, S% g, o$ C7 c; y
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
# M" P9 r) m, W9 O. l, Ytisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total& B8 |- T" T9 n8 D) {. \! T
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),7 X  D2 x. p+ t, c- I! V
and β-human chorionic gonadotropin was less than
1 @  e: i6 f! y( p; z% X5 mIU/mL (normal <5 mIU/mL). Serum follicular; Z, B6 P, h% I1 B8 {% k0 L
stimulating hormone and leuteinizing hormone
% t+ E  w7 q! o" t7 K# P! n! Y4 D* P- qconcentrations were less than 0.05 mIU/mL& v  F& V/ `+ E4 D3 d  l
(prepubertal).
' b" N* n' w& RThe parents were notified about the laboratory' b( v; u6 j2 Q- x  L, H
results and were informed that all of the tests were  s: t3 w/ `: P$ l
normal except the testosterone level was high. The
  {! U6 Z1 W% i. H2 }6 xfollow-up visit was arranged within a few weeks to
; _8 O7 V: W0 C" x* E; X/ nobtain testicular and abdominal sonograms; how-8 \+ @7 l: ~' b6 C
ever, the family did not return for 4 months.
- |5 s# m- d/ i" [: M( T* ^! xPhysical examination at this time revealed that the; _2 u3 C/ u& u0 }1 d' h
child had grown 2.5 cm in 4 months and had gained
7 W7 N# X3 B& W$ {2 kg of weight. Physical examination remained
& b+ B% w/ i8 T$ |3 B$ Yunchanged. Surprisingly, the pubic hair almost com-: j- B3 l  \+ B$ W3 g
pletely disappeared except for a few vellous hairs at
, Z# \3 w6 j0 I. uthe base of the phallus. Testicular volume was still 2
7 k* {, a2 g* U9 f% SmL, and the size of the penis remained unchanged.
! W4 \  I3 h. h5 p, t3 ZThe mother also said that the boy was no longer hav-- h( v7 s* s( z7 B9 G0 F4 Z# C* b" d
ing frequent erections.1 O  a+ J9 c" B$ I
Both parents were again questioned about use of
: F  F& `* ]( o. t- L7 rany ointment/creams that they may have applied to' q" @( \( W6 B. j) M4 ]" o7 G
the child’s skin. This time the father admitted the" _' M6 f2 |4 s, O, |" C
Topical Testosterone Exposure / Bhowmick et al 541' m' y: k# W+ _$ m5 P$ Q* E4 f1 x" a
use of testosterone gel twice daily that he was apply-8 @- S+ f! f/ c+ c
ing over his own shoulders, chest, and back area for+ p. q3 @2 d" ?& Q2 j
a year. The father also revealed he was embarrassed
: u5 j  C$ m1 oto disclose that he was using a testosterone gel pre-; v6 u3 f, E1 ^9 @7 `
scribed by his family physician for decreased libido& n% h- C* y# ^* m$ W: C
secondary to depression.
8 m8 a; i- z) k5 l1 JThe child slept in the same bed with parents.
: }7 ~' E2 d# L4 v' YThe father would hug the baby and hold him on his- c/ @5 f* f0 V& i
chest for a considerable period of time, causing sig-
- e/ V" u# C+ Z# l& Xnificant bare skin contact between baby and father.7 C- N* M# U0 z) I$ i
The father also admitted that after the phone call,
1 I% |6 |& G9 [# V! i' Mwhen he learned the testosterone level in the baby( E, I5 @" B, u$ t( X' Z
was high, he then read the product information- D6 ~' [" @  O' Q. t
packet and concluded that it was most likely the rea-1 S$ G( \' p/ z2 L- N. V; w
son for the child’s virilization. At that time, they. t" ~" G# s4 C. }
decided to put the baby in a separate bed, and the
! l5 \0 Y: z1 n& q2 p0 t# l% @: U7 {father was not hugging him with bare skin and had
$ E: h* E8 `0 Q2 zbeen using protective clothing. A repeat testosterone
: w; L( d0 `# htest was ordered, but the family did not go to the
+ L/ ]- _3 C5 L; H+ u' ~6 ?6 P3 Llaboratory to obtain the test.
5 D4 D* ^* {+ n  h# F8 JDiscussion
/ r. X" @8 T8 b# Z' y7 HPrecocious puberty in boys is defined as secondary9 f- ^" G# w: N' t) e
sexual development before 9 years of age.1,4
7 ~/ F' ^$ }1 K) c) `Precocious puberty is termed as central (true) when
( T" F: j/ c7 o% {it is caused by the premature activation of hypo-
& y3 ~" u5 m0 v1 K' ~) Zthalamic pituitary gonadal axis. CPP is more com-- L& p/ j0 W4 n* W
mon in girls than in boys.1,3 Most boys with CPP" ]8 s/ \! g1 s/ ^
may have a central nervous system lesion that is
7 D# W. g$ ^" kresponsible for the early activation of the hypothal-  J* I! i# b7 Y
amic pituitary gonadal axis.1-3 Thus, greater empha-
6 r! v- {8 D+ j$ i, J* H' nsis has been given to neuroradiologic imaging in
! H8 `2 I6 A0 s5 O; ]1 t! Bboys with precocious puberty. In addition to viril-" G" ?* {9 c( Q: j+ z: V( O
ization, the clinical hallmark of CPP is the symmet-
  `9 G$ m* P. T8 s6 |( urical testicular growth secondary to stimulation by
+ m" u0 @8 Q! J' _9 v3 rgonadotropins.1,3' \1 l/ e' ^5 ^5 A% u
Gonadotropin-independent peripheral preco-
0 Z* G- G8 ~" L! p- X7 [8 F; d+ zcious puberty in boys also results from inappropriate5 e0 j/ {3 f% M  H4 y% a; `5 X) [/ f
androgenic stimulation from either endogenous or2 {: W5 L9 Z5 ^+ Q
exogenous sources, nonpituitary gonadotropin stim-: P6 w( z; E% \& g
ulation, and rare activating mutations.3 Virilizing
* K: d& N2 N# h4 R" M5 Z2 x9 {+ wcongenital adrenal hyperplasia producing excessive
1 T/ f5 g+ O( P$ A0 P5 Q& N, W: h, ^adrenal androgens is a common cause of precocious
, [+ Q* \+ x( i/ Upuberty in boys.3,4
. ^* ~- \+ V' s* g! ~4 g0 ^The most common form of congenital adrenal/ E7 b+ X( o' g* u2 p  ~. }
hyperplasia is the 21-hydroxylase enzyme deficiency.; ?6 v  v5 ]1 d) y# \" I
The 11-β hydroxylase deficiency may also result in, _* f" F; e. P% Y( i
excessive adrenal androgen production, and rarely,
! Z) v$ ]# v6 u7 |an adrenal tumor may also cause adrenal androgen5 z" t# T4 C$ f, t
excess.1,3; v4 W/ ]' ?4 Y6 L, M% N4 s
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from" g- t1 O' p/ {# Q
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
  j+ R1 P- a- H0 G9 D' z* J9 N$ sA unique entity of male-limited gonadotropin-
" Y% [8 z! R6 D! R# {5 ^+ Windependent precocious puberty, which is also known' |( K2 r2 U; C# I9 n
as testotoxicosis, may cause precocious puberty at a" j8 x) A# P! x
very young age. The physical findings in these boys
% w8 H, C8 l4 x+ ywith this disorder are full pubertal development,  Z. Y) L5 E0 T; E2 M4 e! C( @
including bilateral testicular growth, similar to boys0 l, h" b3 @+ K) T/ w; c+ e) h
with CPP. The gonadotropin levels in this disorder
0 D: k# J  q4 e4 F  A& l8 u$ Kare suppressed to prepubertal levels and do not show
% |* {# Y4 g) f- \' j; dpubertal response of gonadotropin after gonadotropin-
- p% K! B3 ]! I$ r# X: Ereleasing hormone stimulation. This is a sex-linked9 `* R) _2 h6 c" x9 O
autosomal dominant disorder that affects only
9 F4 ^( W5 L$ e. cmales; therefore, other male members of the family) s; a, w" L9 ]% x1 ^# \
may have similar precocious puberty.3) X. g/ E2 Y: T' \
In our patient, physical examination was incon-
/ t' ^, E* M# ?sistent with true precocious puberty since his testi-
% z" U& Q( D$ O5 s+ l' hcles were prepubertal in size. However, testotoxicosis
2 E( t9 O7 z6 d8 l, Z5 S" e' kwas in the differential diagnosis because his father# Q8 z9 I% t: F  K# T5 [
started puberty somewhat early, and occasionally,
( O1 n  ?: Y: m* V6 j4 S  Ytesticular enlargement is not that evident in the
( D% s. O1 G5 X, J! ?2 Z2 z" C' w: Xbeginning of this process.1 In the absence of a neg-& ~5 F) W8 w0 u- {
ative initial history of androgen exposure, our9 w$ U& q' }7 B# `; L
biggest concern was virilizing adrenal hyperplasia,+ ?  z6 [& Y1 r  T! T3 y8 E, K- I8 T
either 21-hydroxylase deficiency or 11-β hydroxylase0 g( \( k* x' ~$ |+ M1 g
deficiency. Those diagnoses were excluded by find-
& E0 @  l. G& P9 Wing the normal level of adrenal steroids.
1 P) h$ j, q3 g  F. XThe diagnosis of exogenous androgens was strongly
. g; K" P; l  P" Z# x  l6 X' Ysuspected in a follow-up visit after 4 months because
) f% Q" G$ [0 U0 z3 ^8 ethe physical examination revealed the complete disap-6 @  w3 C: \0 ?; o) \( D) j5 s: x
pearance of pubic hair, normal growth velocity, and/ V' i3 [+ \9 U
decreased erections. The father admitted using a testos-
; ~+ W. Y  z) ?  _3 Q! o" Pterone gel, which he concealed at first visit. He was" {/ P# {: v' Y9 T4 Q8 L: u3 t/ S
using it rather frequently, twice a day. The Physicians’
- P; q- E- |7 V' g. r3 NDesk Reference, or package insert of this product, gel or7 }9 q7 T9 r2 i
cream, cautions about dermal testosterone transfer to
% f' r& ^% s2 |! h+ C& t- Bunprotected females through direct skin exposure.
  a6 X8 U6 d* x% c- i% PSerum testosterone level was found to be 2 times the! H" A$ [+ r$ X6 d" }8 P! m9 h
baseline value in those females who were exposed to
* Y8 S, W: ~8 o) l; ]even 15 minutes of direct skin contact with their male
% K3 v) ?' a4 M0 `0 ^partners.6 However, when a shirt covered the applica-
; E# S# R) b' N3 Ntion site, this testosterone transfer was prevented.$ F' F! F7 Q& K7 V9 T( _' A
Our patient’s testosterone level was 60 ng/mL,
: ]  }. Y2 f; Zwhich was clearly high. Some studies suggest that& N# ]5 g; y* |- [
dermal conversion of testosterone to dihydrotestos-0 |* z1 F5 c9 Q) d9 s
terone, which is a more potent metabolite, is more8 O0 I- E5 d) X. m9 S7 j
active in young children exposed to testosterone" B, U" i  n, S- P$ L  h$ n6 p+ P- N
exogenously7; however, we did not measure a dihy-; m! [2 y. x. m, g1 z
drotestosterone level in our patient. In addition to
! b9 x; o7 ~4 I, S% }- rvirilization, exposure to exogenous testosterone in5 h' r! d  E/ ]$ B2 Z
children results in an increase in growth velocity and" D) I" C' p8 b: Q4 W! y
advanced bone age, as seen in our patient.
6 i( A/ e! ]7 Q! L' ^0 {3 c& I7 H) ?7 ?The long-term effect of androgen exposure during  R5 B8 B4 R6 K, H
early childhood on pubertal development and final
$ J4 \" @# Q8 hadult height are not fully known and always remain
8 `+ [8 P- b+ p( ?6 n( La concern. Children treated with short-term testos-
- H- V% {! C$ q7 V9 j: Vterone injection or topical androgen may exhibit some
# o" p; @! J3 ^( r& O) O- [# W% xacceleration of the skeletal maturation; however, after
7 ?7 B  W% i8 m! Gcessation of treatment, the rate of bone maturation7 ]$ W- [8 ]3 [3 O7 E
decelerates and gradually returns to normal.8,9
) c4 Z" c+ V$ Z9 [6 F2 SThere are conflicting reports and controversy
5 h  I6 }  B. a* E9 d7 ]: Jover the effect of early androgen exposure on adult
  q7 v5 O4 I0 |+ s  H8 ^& cpenile length.10,11 Some reports suggest subnormal
- l+ N0 z1 D. D  E, t8 fadult penile length, apparently because of downreg-: A: c; l9 N2 V/ \6 V
ulation of androgen receptor number.10,12 However,
( Z7 z8 r4 G6 @Sutherland et al13 did not find a correlation between
; g( ]3 i1 K/ o2 Pchildhood testosterone exposure and reduced adult# I+ w6 s' A$ N0 F7 s6 I: D. K
penile length in clinical studies.; c: h5 [* n+ V, G0 Q2 p8 O
Nonetheless, we do not believe our patient is' k  F" T( P+ G
going to experience any of the untoward effects from7 b8 T' T: a1 d0 g- y  W
testosterone exposure as mentioned earlier because  `# W+ W  Z) i" M( t% o5 R2 u
the exposure was not for a prolonged period of time.
6 p& Q" j$ e* V' ]2 @Although the bone age was advanced at the time of" Z/ R( g- X6 j
diagnosis, the child had a normal growth velocity at
  P8 M8 K% h. Z4 O# B# Z) Y8 zthe follow-up visit. It is hoped that his final adult
: {# y, V: J4 Theight will not be affected.
! }7 [9 C, I& L2 [/ F) MAlthough rarely reported, the widespread avail-4 N6 Y5 J( C# [7 E
ability of androgen products in our society may
, g5 x2 O7 q! Aindeed cause more virilization in male or female
6 n5 o/ p2 v! i# ?children than one would realize. Exposure to andro-
2 O9 Q. v. u7 C1 c* Wgen products must be considered and specific ques-2 R$ ^  {, b' M7 l8 p/ d6 l
tioning about the use of a testosterone product or, C+ Y- H2 r$ n0 Y; p" U' _
gel should be asked of the family members during1 g: G# ~' _. u. O. j6 b
the evaluation of any children who present with vir-
3 ]; b/ }& @3 s. Ailization or peripheral precocious puberty. The diag-
- V( @& i/ M; B/ |2 y. M' Anosis can be established by just a few tests and by
; Z: p1 K  z/ c3 J$ xappropriate history. The inability to obtain such a  N% \/ w3 d0 A$ g* @
history, or failure to ask the specific questions, may
$ u+ v# A9 d$ U% M/ i- Yresult in extensive, unnecessary, and expensive
9 n0 O+ {' Z6 y  }* t6 vinvestigation. The primary care physician should be
0 `& M( q# ~  S! X9 F% Oaware of this fact, because most of these children# L/ m* e! z! n1 |$ ~$ C: q
may initially present in their practice. The Physicians’
0 R3 j, ~" W' S. q* rDesk Reference and package insert should also put a: ~* ^& R& k: A% S0 v6 c
warning about the virilizing effect on a male or
& g& k0 n$ A& |2 {; x" x/ Dfemale child who might come in contact with some-' N- b# B' l# c: M$ `+ N
one using any of these products.& P% x1 n- P# F0 t+ u
References
0 \  i3 {; F$ _* P' d' E1. Styne DM. The testes: disorder of sexual differentiation& w' w7 q% X* {4 t2 `2 z2 e  s
and puberty in the male. In: Sperling MA, ed. Pediatric
' C! Q$ e) k: ^, oEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
' A9 _5 w/ y) p* V2002: 565-628.) ~. ^9 a5 r6 c  |
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious7 A. f+ \9 g5 g8 N% o( Z
puberty in children with tumours of the suprasellar pineal
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Sexual Precocity in a 16-Month-Old9 d* F! m  Y, u8 F" ~, k0 I/ ~: h
Boy Induced by Indirect Topical5 I( X$ d  T! V: F; A8 I% _! I
Exposure to Testosterone- w8 @; z! M+ b9 A
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2" d  O1 G. m1 H; \
and Kenneth R. Rettig, MD1
+ v" S  w2 g& P9 _0 yClinical Pediatrics& e7 P0 q; u: V
Volume 46 Number 6
# L( X% {: G& f' p% E$ z, I; TJuly 2007 540-5433 v( J8 z1 i7 ~5 V3 Q" N% H
© 2007 Sage Publications
( g/ _5 J. a6 W: k6 u9 ^6 h* z+ N10.1177/0009922806296651
: L3 E7 A2 c% N. x  n7 L" phttp://clp.sagepub.com
7 q9 p8 i! ~+ r3 e/ w( Zhosted at$ y$ B- ]6 j! Y! t0 V7 u: y
http://online.sagepub.com" @4 Z; D- d- z0 e9 W
Precocious puberty in boys, central or peripheral,9 m! D7 M. z  p/ I& G
is a significant concern for physicians. Central6 X2 W# d0 j& [* Y) ]6 p+ i( `. @& q
precocious puberty (CPP), which is mediated! V5 d$ ]/ X7 n8 W4 V/ y" _8 N6 T
through the hypothalamic pituitary gonadal axis, has& r8 E: G* \* C" w( D
a higher incidence of organic central nervous system" [5 \% z  F! {6 K6 @' w- s" h
lesions in boys.1,2 Virilization in boys, as manifested
/ \' C  @5 f4 f! qby enlargement of the penis, development of pubic
& q4 |2 _+ H$ ^6 bhair, and facial acne without enlargement of testi-
, [! w. {& o& `cles, suggests peripheral or pseudopuberty.1-3 We- P2 K3 b" K/ j/ p+ b# H
report a 16-month-old boy who presented with the) N1 }$ K4 O! u: G
enlargement of the phallus and pubic hair develop-
$ Q3 _) C7 ?9 P+ T% i$ ^7 @ment without testicular enlargement, which was due
/ M8 a) I! q3 y" s0 Q7 W$ h  Jto the unintentional exposure to androgen gel used by9 G5 c; _& J# m6 f
the father. The family initially concealed this infor-4 E. M0 s& E) o4 F+ k
mation, resulting in an extensive work-up for this# R- Y) z: X8 G, U3 t7 e; ]3 ^0 u
child. Given the widespread and easy availability of/ c2 V% D. A& H' R& i+ ^$ E
testosterone gel and cream, we believe this is proba-
+ R$ Z5 J7 E2 tbly more common than the rare case report in the
6 ?+ A. i- D) {# Q' fliterature.4. O8 u) N2 K8 l9 n" k
Patient Report
- b8 A3 X! u6 l) \, WA 16-month-old white child was referred to the
1 j% g+ h3 l9 Iendocrine clinic by his pediatrician with the concern3 I, J2 F) a" K9 g( L
of early sexual development. His mother noticed3 z: P; i& B9 H6 f
light colored pubic hair development when he was- V% }/ r+ N# E/ m) a
From the 1Division of Pediatric Endocrinology, 2University of
0 C  r* u6 G( o: H4 H& c' `2 D3 V6 B6 GSouth Alabama Medical Center, Mobile, Alabama.
" _4 n+ H) V+ Y1 bAddress correspondence to: Samar K. Bhowmick, MD, FACE,
" A/ O% y! }) AProfessor of Pediatrics, University of South Alabama, College of
$ b1 p# w: z% ~# }0 ?Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;( N' p" C1 U) ~0 c. w- Z
e-mail: [email protected].% o0 T( `# P& H7 K4 i. n* ^
about 6 to 7 months old, which progressively became
7 X+ R4 V# O3 H: |9 u$ b% Zdarker. She was also concerned about the enlarge-
, N7 I* T0 p0 C2 `+ A$ V% Gment of his penis and frequent erections. The child* g0 G7 ^* `& B  a1 J- h/ o" H
was the product of a full-term normal delivery, with4 J- u( n( x5 ]$ s" ^" D6 J
a birth weight of 7 lb 14 oz, and birth length of0 k+ q( _  u8 u, {; ~1 o8 o. N
20 inches. He was breast-fed throughout the first year
7 I1 F- \9 U, b; H$ g+ Bof life and was still receiving breast milk along with4 `5 |/ g- L$ B6 P$ W
solid food. He had no hospitalizations or surgery,+ |% d3 |4 s% F1 j
and his psychosocial and psychomotor development
/ e) {  S- L4 a8 Hwas age appropriate.
7 z9 }: k" I+ f7 O+ f9 y8 u8 i; rThe family history was remarkable for the father,  Q  l5 H- e  S7 y/ W
who was diagnosed with hypothyroidism at age 16,6 {, ]0 V4 `- `
which was treated with thyroxine. The father’s
) w8 m' S: k/ ^, Hheight was 6 feet, and he went through a somewhat
/ l+ O8 f2 K  S6 }6 wearly puberty and had stopped growing by age 14.% U: m" q) |( l  j
The father denied taking any other medication. The
+ r/ t1 q% n! n3 w( Y' L8 m& R$ hchild’s mother was in good health. Her menarche  f9 N- @( \. ]) E4 _5 O7 s
was at 11 years of age, and her height was at 5 feet
" Z' }) o7 P  o4 [( K6 R) v5 r! {5 inches. There was no other family history of pre-
1 d2 Z5 |8 T# X  Kcocious sexual development in the first-degree rela-. l6 N% X! b) q/ }& k9 P, A
tives. There were no siblings.7 S# P. u! P  H! m  O; y5 N
Physical Examination; Y7 ?2 h% O3 K0 {' C) b! N( q4 k9 D
The physical examination revealed a very active,+ k' X  D7 I( `+ ^: {
playful, and healthy boy. The vital signs documented* i6 U8 {) r) `* N+ W+ ~
a blood pressure of 85/50 mm Hg, his length was
, \! L: Q- [7 h( j  E6 N) q4 h90 cm (>97th percentile), and his weight was 14.4 kg
' x& j9 F# [6 y" B6 X(also >97th percentile). The observed yearly growth
" \) q' I) _- S2 n. {9 u, Dvelocity was 30 cm (12 inches). The examination of
. q2 N0 J# M  n* D. i0 ?$ Cthe neck revealed no thyroid enlargement.# B+ K: c+ Y; s  @: [: Y9 Z) j% f
The genitourinary examination was remarkable for4 b9 N; N- X. S& }! x
enlargement of the penis, with a stretched length of& y4 k+ @! e& y8 H1 t: a
8 cm and a width of 2 cm. The glans penis was very well
1 a2 A( y# g+ D) Ideveloped. The pubic hair was Tanner II, mostly around& K( T3 }$ O+ _
5402 K- i1 Q! D& ?% r  ~
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from0 z9 T) m# X2 L. y. L' Q( Z6 b! O
the base of the phallus and was dark and curled. The" O+ L1 S& \( u2 K! ~) i
testicular volume was prepubertal at 2 mL each.0 ?( o! v, y& G* k- a1 J
The skin was moist and smooth and somewhat6 x; k: G9 n8 r! W
oily. No axillary hair was noted. There were no
: m+ @% K- J7 Y( k. q( Rabnormal skin pigmentations or café-au-lait spots.
$ @; Q) ?$ X( R# q1 b# I6 ^7 }Neurologic evaluation showed deep tendon reflex 2+( }+ t% G! V" \" n& `, d! L
bilateral and symmetrical. There was no suggestion$ D* z" a+ k, @* u7 u
of papilledema.
# I* d4 ?1 `; I- Y6 f, YLaboratory Evaluation! e6 M- {# `' d+ c
The bone age was consistent with 28 months by1 u' y9 A) k+ Y* S1 B# n- {  b# o" T0 v+ m
using the standard of Greulich and Pyle at a chrono-
9 k( B, d1 P* P# ]logic age of 16 months (advanced).5 Chromosomal5 s/ t0 ~! g) H: ]/ D
karyotype was 46XY. The thyroid function test
7 R$ d' j4 W! Q+ gshowed a free T4 of 1.69 ng/dL, and thyroid stimu-
0 @$ W" J; m: ^$ U. `$ L" [lating hormone level was 1.3 µIU/mL (both normal).4 |6 ~% R/ n' ?2 P
The concentrations of serum electrolytes, blood/ n) f; S( `- y, j! G7 N
urea nitrogen, creatinine, and calcium all were
! z$ I7 r  t4 u8 q3 ?. z3 b6 `' h1 \within normal range for his age. The concentration
) K0 J+ i8 i! m! k! iof serum 17-hydroxyprogesterone was 16 ng/dL7 K3 J+ Q9 o$ \$ P8 J: _* k- j4 O
(normal, 3 to 90 ng/dL), androstenedione was 201 `& D. t; b& `
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-# b* z! b$ f2 ^) p
terone was 38 ng/dL (normal, 50 to 760 ng/dL),, ~! I- d" Q$ W: ?* k* e; N! W2 a2 }9 H
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
; x, v# ?/ T  G49ng/dL), 11-desoxycortisol (specific compound S)6 F: I' h( x8 ^/ p0 }) C
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
/ s- f. y* |1 ?tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
& B7 t; R: k9 L; S. ptestosterone was 60 ng/dL (normal <3 to 10 ng/dL),3 k' E: R  _6 U$ M9 h
and β-human chorionic gonadotropin was less than  Z+ E4 w: W. T! B2 Y
5 mIU/mL (normal <5 mIU/mL). Serum follicular( E) L; L: f' d1 {: @8 q
stimulating hormone and leuteinizing hormone
+ F+ p! ?5 x- L: u4 T. H; Xconcentrations were less than 0.05 mIU/mL
5 A* r: Y. u! w, F% O1 I; h8 r(prepubertal).+ E& W7 `, @2 w7 T& _8 _# ]; b
The parents were notified about the laboratory1 e! ^& A1 U; l, @% \' B
results and were informed that all of the tests were
3 s3 O, [  c" q. ]7 {normal except the testosterone level was high. The# f( A9 Y3 q& h( q4 A
follow-up visit was arranged within a few weeks to
6 C" C) k% @' c$ g. Dobtain testicular and abdominal sonograms; how-; s+ g+ K7 B4 P* Q
ever, the family did not return for 4 months.
7 K' w/ D3 I  V6 IPhysical examination at this time revealed that the
; W, o& t; h" k' J/ H- m0 `child had grown 2.5 cm in 4 months and had gained
4 ]% U8 j5 y  f5 x2 kg of weight. Physical examination remained
  ~9 {/ {* Q. {9 ~3 n/ c6 ?) Cunchanged. Surprisingly, the pubic hair almost com-6 ?9 b$ @; ^  B- i$ d
pletely disappeared except for a few vellous hairs at
: r0 [. b, r' f: U. A. t4 V9 Y* bthe base of the phallus. Testicular volume was still 24 L; d0 K, x. m/ K6 X6 \
mL, and the size of the penis remained unchanged.
' K* b# l+ S: B* R7 @  ?& Y, KThe mother also said that the boy was no longer hav-
' p0 q9 R' H8 W: ding frequent erections.
& G9 M5 ^& O9 Q( w8 WBoth parents were again questioned about use of
; K# o0 [+ C; V" vany ointment/creams that they may have applied to
6 b4 z4 _* D+ K; U# U. mthe child’s skin. This time the father admitted the" c3 E8 `# O6 b( O9 w
Topical Testosterone Exposure / Bhowmick et al 541
: \' s9 A, _! ~! Ouse of testosterone gel twice daily that he was apply-
& C" l" c! l; j9 T) ?& `4 Uing over his own shoulders, chest, and back area for
+ v  ^$ v+ ~1 A- K0 n  @a year. The father also revealed he was embarrassed2 T- \- R4 v/ B: K! R6 y( B  A" x
to disclose that he was using a testosterone gel pre-8 ?: F+ J- A1 A$ g
scribed by his family physician for decreased libido
4 t) O; p; }, i0 a% t7 c- _; Ysecondary to depression.
1 `. d3 h' G0 C5 R) o  ^# _7 T* SThe child slept in the same bed with parents.
6 M6 t, D3 }+ s! ^; P. }The father would hug the baby and hold him on his
8 E* J( q6 i- N0 |& l) Nchest for a considerable period of time, causing sig-
9 n5 m1 k+ C5 v+ xnificant bare skin contact between baby and father.- o' B" f. N5 J
The father also admitted that after the phone call,
6 i7 {% I0 I* uwhen he learned the testosterone level in the baby
1 z" y8 U" I: z, |* t% Z% ewas high, he then read the product information3 H. }- N  Q& `. @
packet and concluded that it was most likely the rea-2 {/ q( D/ E/ n$ `: y
son for the child’s virilization. At that time, they
8 s3 e( t% O$ {0 G" _" W- Edecided to put the baby in a separate bed, and the- Q% p4 q( N' t% t  r0 ~0 ~
father was not hugging him with bare skin and had  b8 @9 u( |5 b, p
been using protective clothing. A repeat testosterone
. h8 w3 {  c8 J7 J7 z! m9 Ttest was ordered, but the family did not go to the
+ e( P7 c) G( elaboratory to obtain the test.
$ U5 }- @1 B2 Q1 aDiscussion% C, ~& l5 A+ Z/ k( H4 x5 C
Precocious puberty in boys is defined as secondary
# }' {- h3 {# o, N4 wsexual development before 9 years of age.1,4) f+ k5 ~9 P% g- `0 c/ w9 H# d
Precocious puberty is termed as central (true) when2 a8 P2 }2 V9 ]% z( u( f8 i' Z
it is caused by the premature activation of hypo-  {* t: |& Z: }3 t7 X& w% `' t" Y
thalamic pituitary gonadal axis. CPP is more com-
9 K+ b/ k9 Z. k) |  z$ zmon in girls than in boys.1,3 Most boys with CPP
$ N1 Y4 o9 ?- ]& Y" T. _may have a central nervous system lesion that is+ S* l$ Q  H- F
responsible for the early activation of the hypothal-8 l' [1 |4 ^. T
amic pituitary gonadal axis.1-3 Thus, greater empha-) ~2 ]% d' j; J( b% v0 R" i3 ?$ J
sis has been given to neuroradiologic imaging in% m( g! L. ^1 \8 n
boys with precocious puberty. In addition to viril-
$ |3 C- ?0 |/ D( rization, the clinical hallmark of CPP is the symmet-+ E( a, u$ |) q  K  r0 t
rical testicular growth secondary to stimulation by
( [" L/ U. Z$ O- i( D9 k& D/ mgonadotropins.1,30 d0 ^$ O0 E* x. t/ X, P
Gonadotropin-independent peripheral preco-6 z% G" f* |/ e! K/ Y
cious puberty in boys also results from inappropriate+ B" h" D1 x& A5 Q; G/ H& _) R8 s
androgenic stimulation from either endogenous or' z, T  j. [6 I& o
exogenous sources, nonpituitary gonadotropin stim-
& q( e6 Z- E  e' B' e. Kulation, and rare activating mutations.3 Virilizing
2 B, ]5 S( h  h- O' @* Rcongenital adrenal hyperplasia producing excessive% @( H. B  g- p8 r
adrenal androgens is a common cause of precocious
) G( v3 ?6 D# R+ T/ U5 s- Cpuberty in boys.3,4
6 L1 H: L' C% bThe most common form of congenital adrenal5 d0 T  x1 J4 ~& x
hyperplasia is the 21-hydroxylase enzyme deficiency.
  W1 ^: l3 J+ bThe 11-β hydroxylase deficiency may also result in
' U& x+ p# I# `; L+ Nexcessive adrenal androgen production, and rarely,
/ i- S. v% T! n- [- jan adrenal tumor may also cause adrenal androgen7 e+ h$ N. v+ b+ ~* i8 L4 j
excess.1,3- S2 p# g" p, ]' X4 ~( M+ T7 |& ^1 x
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
& ^' J! m1 H+ P# Q$ j8 c, k542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
' W/ ]0 M* r: n5 D% c8 T$ w* W" RA unique entity of male-limited gonadotropin-; j9 ]. ]) f" d: [- i; {- D5 i* z
independent precocious puberty, which is also known/ h7 d& X9 w: `% G8 x) {
as testotoxicosis, may cause precocious puberty at a, x# H1 a% k9 ?0 |
very young age. The physical findings in these boys
0 B0 q3 r8 b# W: M- [3 F2 |: iwith this disorder are full pubertal development,
) E! T+ l# q% W9 t2 cincluding bilateral testicular growth, similar to boys
9 A  X6 Y  i+ w8 l1 ^# ?% [with CPP. The gonadotropin levels in this disorder
4 X5 E. z& x! g$ R* eare suppressed to prepubertal levels and do not show
# T, h4 _) I. S& T+ ]9 p/ z5 W( Mpubertal response of gonadotropin after gonadotropin-8 g' A0 f1 |. `9 h1 V: C+ i! t2 y
releasing hormone stimulation. This is a sex-linked
. I  r$ R2 X7 n4 _autosomal dominant disorder that affects only$ ]. [/ c' E- `- d
males; therefore, other male members of the family
1 X/ m0 \0 L0 zmay have similar precocious puberty.3, c0 X) q8 z. L6 A" _
In our patient, physical examination was incon-; d/ c1 I+ N4 z: [' Y0 q" h3 t& K8 ^
sistent with true precocious puberty since his testi-
6 ^" w6 m* R/ s7 {, z  Mcles were prepubertal in size. However, testotoxicosis( M- j- _+ l1 \3 m
was in the differential diagnosis because his father
- f  H5 n9 P- m8 ~% ?1 t/ `started puberty somewhat early, and occasionally,
3 K, Y" V) ~0 W. l1 H1 P$ u' xtesticular enlargement is not that evident in the3 a2 b% k8 Y9 M& V1 T6 ^
beginning of this process.1 In the absence of a neg-
% S0 P& m3 a3 H3 ~4 j% @# native initial history of androgen exposure, our
% V. F5 s+ i" c, X# Lbiggest concern was virilizing adrenal hyperplasia,, v* }: ]( s. }1 Q) L1 e; }, S
either 21-hydroxylase deficiency or 11-β hydroxylase
' [* A/ @8 A$ l6 ~7 f3 ldeficiency. Those diagnoses were excluded by find-4 ], G" S8 s4 A* ?
ing the normal level of adrenal steroids.2 m2 s: D, p( B. v1 P. \
The diagnosis of exogenous androgens was strongly
% p0 k$ W  [! h& Q) h8 B9 W0 ysuspected in a follow-up visit after 4 months because
6 F  m% `$ j$ Q5 Fthe physical examination revealed the complete disap-
# ^# L" ]0 A, y; m6 w+ `( E, Wpearance of pubic hair, normal growth velocity, and) ?# B! c- D# I+ C! h
decreased erections. The father admitted using a testos-2 @6 I* a: t$ C2 J# @) U
terone gel, which he concealed at first visit. He was' D/ T# n4 G- C" E' S: k* N
using it rather frequently, twice a day. The Physicians’
! O  V5 ?( \+ f5 `/ z, X. P5 kDesk Reference, or package insert of this product, gel or3 u2 h  \* a4 _
cream, cautions about dermal testosterone transfer to  U% y' C: e! o/ D, a4 U
unprotected females through direct skin exposure.' M: n/ f6 F5 e3 |, [
Serum testosterone level was found to be 2 times the
+ z6 `$ P6 `9 x1 \baseline value in those females who were exposed to; y# {: U( \4 e/ E# y
even 15 minutes of direct skin contact with their male" q' H8 S- o$ E
partners.6 However, when a shirt covered the applica-
, U7 `: g" |& R. K, z- O" t1 M  H7 mtion site, this testosterone transfer was prevented.  C. |4 p. P5 D. \  A- e+ q0 j
Our patient’s testosterone level was 60 ng/mL,
$ i8 F# P3 W: S- ?" vwhich was clearly high. Some studies suggest that' f& p2 a  v2 @# m! K, r- @6 r
dermal conversion of testosterone to dihydrotestos-/ _8 L# Q, n  n4 f: {
terone, which is a more potent metabolite, is more) i4 `1 g% Z8 Z+ S$ R+ u, y
active in young children exposed to testosterone
- _9 T8 I; y9 z4 l6 d% @. C/ kexogenously7; however, we did not measure a dihy-
3 N! b4 K$ t- [  ~3 C, |drotestosterone level in our patient. In addition to4 X+ @) A& j  q$ h2 W4 q$ m
virilization, exposure to exogenous testosterone in" e% o7 ~8 A6 e. E1 f' v
children results in an increase in growth velocity and2 G" w; }- e; n% O+ t  a# w
advanced bone age, as seen in our patient.
! O+ @6 b. v0 e2 cThe long-term effect of androgen exposure during
9 N0 [, u5 \9 D" Z# nearly childhood on pubertal development and final( p7 G- S+ ?/ ~- i; S% I
adult height are not fully known and always remain" ?% e, v) r! H' ]. i. Y7 q
a concern. Children treated with short-term testos-" P* g/ G  u* C, F, Z# H
terone injection or topical androgen may exhibit some! r$ \, R! K- k( P' G5 ]% `8 o0 y
acceleration of the skeletal maturation; however, after  C' @- i* y; H  L
cessation of treatment, the rate of bone maturation8 r$ i+ K5 N) V/ g/ t* G
decelerates and gradually returns to normal.8,9  |/ [9 d+ c- o$ U5 r
There are conflicting reports and controversy# k4 [& U$ o* o7 H) |( p
over the effect of early androgen exposure on adult6 N: B$ A, K9 w; `3 l+ G
penile length.10,11 Some reports suggest subnormal
5 ~/ C5 {$ G4 h0 E( Zadult penile length, apparently because of downreg-
8 z* `/ }5 P- @) \ulation of androgen receptor number.10,12 However,
; [# H. D4 \# _" dSutherland et al13 did not find a correlation between' F- {8 \. u5 ?0 m
childhood testosterone exposure and reduced adult. G: m* h/ M# S2 |8 |
penile length in clinical studies.6 C- Y7 x! p7 j1 {) m
Nonetheless, we do not believe our patient is
4 M4 E8 Z1 d7 Ugoing to experience any of the untoward effects from2 e6 m+ h0 u" q6 i' }8 l
testosterone exposure as mentioned earlier because! Y5 p8 t( ]  D8 i
the exposure was not for a prolonged period of time.
5 z3 ]- \- |; m1 }Although the bone age was advanced at the time of
/ J: e8 |" d! U6 n- `, S* Ndiagnosis, the child had a normal growth velocity at1 p5 ~7 [% v: w% n8 a/ K) b
the follow-up visit. It is hoped that his final adult
' G% g) ~$ i+ U7 G; F9 Pheight will not be affected.* ]" v6 V9 l! {1 F2 E4 N7 x
Although rarely reported, the widespread avail-
" i; Y$ D) c0 L- n5 K! \" K! oability of androgen products in our society may0 M% A% g( Y! c; k
indeed cause more virilization in male or female
0 T' l8 T" ]+ cchildren than one would realize. Exposure to andro-
( s) R) B8 Q7 c' c5 ~, G5 dgen products must be considered and specific ques-5 ]! l1 m. X5 K! Z. X  S) {% x
tioning about the use of a testosterone product or9 s6 N- x; ~- x% q, y9 N- V
gel should be asked of the family members during
( i! s# u* z1 j) J" rthe evaluation of any children who present with vir-6 z- h$ ~5 U# E( M3 k/ d8 a0 q2 h
ilization or peripheral precocious puberty. The diag-2 j+ a7 t* ~1 n9 I
nosis can be established by just a few tests and by
, A" W& i  x% P8 n5 nappropriate history. The inability to obtain such a4 T5 P" y  j* V: r1 _$ t
history, or failure to ask the specific questions, may) Z& Z' V. ~) b, T  h' _6 L
result in extensive, unnecessary, and expensive
. _6 @8 V1 l& X0 {9 ?investigation. The primary care physician should be
4 E- J( I5 p8 V: M; W3 \5 w8 v. @4 paware of this fact, because most of these children" W5 }, b. Y2 r. ]2 E1 \+ \
may initially present in their practice. The Physicians’$ E  O" T5 y2 Z+ r% Y+ |6 U
Desk Reference and package insert should also put a
, I/ D. d: a6 s( |! @1 `  C3 u& uwarning about the virilizing effect on a male or7 o2 {, D/ U( k: v3 z  P
female child who might come in contact with some-
# Q' F% j! ~( sone using any of these products.0 @0 [1 P# d. a1 f2 G) E' J) B
References: p5 |$ D! v; C0 P0 |7 N+ d
1. Styne DM. The testes: disorder of sexual differentiation; j% K. e9 b( w4 \- j+ R/ W
and puberty in the male. In: Sperling MA, ed. Pediatric
; B# v7 p3 S! I! Q3 `* hEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;* \4 |! y2 i! ^' p( k$ q( ^1 N" W& f
2002: 565-628.
; a) E) b" P! h2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious' D* V" S0 H; y* l
puberty in children with tumours of the suprasellar pineal
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女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点
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4个什么样的?
發表於 2025-1-19 02:41:05 | 顯示全部樓層

% j/ j( W& M# h& Z5 ~精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
發表於 2025-3-11 12:31:56 | 顯示全部樓層
么好吧v进化过程就回国参加发uft成就和;哦i回来就好v科技股份兄弟人的 路由公开vu个v库每年b
發表於 2025-4-8 11:10:25 | 顯示全部樓層
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
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