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Sexual Precocity in a 16-Month-Old
" A2 x( Q( c" H/ _# W0 WBoy Induced by Indirect Topical
  g3 v" d) v; U" \% g2 ]0 a/ xExposure to Testosterone
9 `) E( s$ K$ e! _) n8 `Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
9 I8 Z6 G: |9 l# E* I1 Land Kenneth R. Rettig, MD1
0 M. y4 {5 u  ?* j7 Q. Y  NClinical Pediatrics) Y5 _/ c1 R  ]6 E; T
Volume 46 Number 6
# I) B- W8 r. e) |July 2007 540-543# \  t& j; T/ _, ]# N! _# T5 c
© 2007 Sage Publications
" U6 \4 u+ F" Q( x; a10.1177/0009922806296651
9 o9 B( D% \! F* c- N2 H% I7 p/ C0 s; t( |http://clp.sagepub.com- l9 l. a  @& s  a
hosted at
: v+ P! L1 B1 Ihttp://online.sagepub.com" a$ x! i" L+ }& z3 J" N# e9 H
Precocious puberty in boys, central or peripheral,
1 t- J7 ^9 u* r: O8 zis a significant concern for physicians. Central; [4 V7 I3 L3 W/ y# N
precocious puberty (CPP), which is mediated6 V0 s4 P8 r# H; a5 O6 C. D. [
through the hypothalamic pituitary gonadal axis, has8 N$ R- @2 S- p7 ?; x/ a: p5 d
a higher incidence of organic central nervous system
& s) q. `1 ]# hlesions in boys.1,2 Virilization in boys, as manifested4 p5 [/ `9 m* {5 w  R( V
by enlargement of the penis, development of pubic
- N" T8 a. I+ `7 x+ [2 Z4 Ghair, and facial acne without enlargement of testi-8 T7 F6 `3 s; [0 i9 r
cles, suggests peripheral or pseudopuberty.1-3 We' S1 [( h" B* D$ q
report a 16-month-old boy who presented with the
6 A4 P5 v. T0 _9 @, v; Xenlargement of the phallus and pubic hair develop-* V, G$ ]! M& g
ment without testicular enlargement, which was due* t" J0 _. r! C, n1 [& g1 b
to the unintentional exposure to androgen gel used by
% [) O$ |# ^$ r" G) N3 Athe father. The family initially concealed this infor-
0 u: k' K4 S9 C% v" imation, resulting in an extensive work-up for this
: e* Q5 n1 ?' y0 nchild. Given the widespread and easy availability of
) C/ Y# S: n1 [% z+ Vtestosterone gel and cream, we believe this is proba-! l1 t7 A) v( X$ G' o4 ~
bly more common than the rare case report in the) d6 o6 ^5 R5 P% }
literature.4
) b% O: R8 ?: Z; lPatient Report
" g7 A( E% F9 P' N  s% t$ [  pA 16-month-old white child was referred to the( Q5 s) o# `" U5 X9 ^' `
endocrine clinic by his pediatrician with the concern
  z% {; x0 s  Y# C! r2 s- q( Jof early sexual development. His mother noticed
  h) _  p* I! T% O( y& `  Mlight colored pubic hair development when he was) A4 j. W2 D5 ^5 W7 |+ a: r0 P
From the 1Division of Pediatric Endocrinology, 2University of
/ Q: Z: r) A  d& h4 R* jSouth Alabama Medical Center, Mobile, Alabama." ^% u) w! c. M! e, V
Address correspondence to: Samar K. Bhowmick, MD, FACE,
4 a: o+ i2 M; O5 mProfessor of Pediatrics, University of South Alabama, College of( L& n7 N  [8 U$ t0 c+ f. I
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
" t% d) _! |" L- m$ qe-mail: [email protected].
# A: @$ m2 w9 habout 6 to 7 months old, which progressively became( l1 t) w1 a  P2 g0 y  R* K* s
darker. She was also concerned about the enlarge-* H. D2 k$ G6 M4 Q$ V
ment of his penis and frequent erections. The child9 S( s3 M" i9 \4 p5 s$ I
was the product of a full-term normal delivery, with
, F# E+ K. s0 B9 T+ aa birth weight of 7 lb 14 oz, and birth length of
; l! @( [: C$ `5 w' U: u% z20 inches. He was breast-fed throughout the first year4 r, `- P& S& f% o
of life and was still receiving breast milk along with- ?: W' f# ^' _. @
solid food. He had no hospitalizations or surgery," }9 c. J  [5 Q0 U% x. ~
and his psychosocial and psychomotor development; r8 w2 v2 U2 V  M8 Y/ K
was age appropriate.
" J7 _" L+ g3 E; SThe family history was remarkable for the father,
+ [; v1 H1 x# j1 e* B+ j) n7 pwho was diagnosed with hypothyroidism at age 16,
% N6 E" Y# S9 Owhich was treated with thyroxine. The father’s
0 V+ x; o- Y7 z: D( g/ ?) Nheight was 6 feet, and he went through a somewhat+ \) u% Z, S9 }/ D
early puberty and had stopped growing by age 14.
: c9 V: n; I7 `) q0 R  KThe father denied taking any other medication. The
" E7 t- K$ k6 G' Xchild’s mother was in good health. Her menarche$ B0 k  _/ |# ?7 J2 p, \1 i4 v
was at 11 years of age, and her height was at 5 feet
5 q  D3 Y8 k2 U/ n5 inches. There was no other family history of pre-
8 A: n, s. q7 g  X8 ?cocious sexual development in the first-degree rela-
$ h9 C0 L$ J4 r; W  mtives. There were no siblings.; N3 p0 H8 ^% J
Physical Examination
. P' a0 R' `* K7 d4 R! ZThe physical examination revealed a very active,
4 v2 V" Q3 c7 k  Tplayful, and healthy boy. The vital signs documented) t" Y; n' H3 ^1 ?: Y. v/ ]0 g
a blood pressure of 85/50 mm Hg, his length was
& N6 }2 N# m! [: _6 I90 cm (>97th percentile), and his weight was 14.4 kg
1 Q& m2 K( M5 j6 I. W5 ]" n) G* |(also >97th percentile). The observed yearly growth
/ D. K/ r" f. ?/ Evelocity was 30 cm (12 inches). The examination of: V# X5 h4 ?5 a5 k1 ~3 z6 m
the neck revealed no thyroid enlargement.6 S/ N. T2 q: f
The genitourinary examination was remarkable for8 u0 ~0 a0 l! R' Z* J- Z4 A
enlargement of the penis, with a stretched length of
. H. ~) t" c- t# [/ U, m' C$ G5 e2 K8 cm and a width of 2 cm. The glans penis was very well
* V& ?" k% q2 Z  S% A3 [developed. The pubic hair was Tanner II, mostly around2 ]  q; {/ z6 k" t
540
7 d2 P6 s. b2 Jat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from+ Y) m; J+ ?+ S* B2 Z  h" ?
the base of the phallus and was dark and curled. The1 U, D& u2 Z7 W# O7 w4 U
testicular volume was prepubertal at 2 mL each." ~  o9 t8 i# h) e8 }& e- a
The skin was moist and smooth and somewhat0 F+ [1 I8 Q# X+ c8 ?% C' n% I
oily. No axillary hair was noted. There were no
2 d4 ^& z& Z" m& x( d( u, wabnormal skin pigmentations or café-au-lait spots.
" p: q: [' }, P3 M; O7 NNeurologic evaluation showed deep tendon reflex 2+
( N" s* v4 \; N! B$ b) ^bilateral and symmetrical. There was no suggestion
8 Y4 a2 `$ @3 Y% Qof papilledema., `1 ]2 v% w8 D: h7 l: r5 @
Laboratory Evaluation: s3 e# ?' D8 t" N
The bone age was consistent with 28 months by: h, [" K0 N3 o8 z# Q
using the standard of Greulich and Pyle at a chrono-0 g& L1 q" o8 x! W5 G3 n
logic age of 16 months (advanced).5 Chromosomal
& ^. ~" i. v6 n. U$ t# ?' lkaryotype was 46XY. The thyroid function test
: I3 |; I+ X- w( {3 r$ @showed a free T4 of 1.69 ng/dL, and thyroid stimu-
# _5 n, e, S) B& }0 U7 d% c  U5 r3 I, Llating hormone level was 1.3 µIU/mL (both normal).
) r& G2 q9 \- R8 j" k6 jThe concentrations of serum electrolytes, blood$ I1 a8 g  A- R1 R! k) I+ P
urea nitrogen, creatinine, and calcium all were" @% N5 b. f) M* z
within normal range for his age. The concentration
5 W: Q7 Q' T) |/ [7 x8 y: Uof serum 17-hydroxyprogesterone was 16 ng/dL: E) j' \. |5 u
(normal, 3 to 90 ng/dL), androstenedione was 20
8 F+ L! e1 Z2 c* J3 [5 b# x  c% e& ang/dL (normal, 18 to 80 ng/dL), dehydroepiandros-6 K& l) ?& N4 x, ]6 Q. \
terone was 38 ng/dL (normal, 50 to 760 ng/dL),! ]5 v% [3 I* W
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
9 w. m8 _' n: l1 K- }7 Q# }49ng/dL), 11-desoxycortisol (specific compound S)- n5 J  S. g, P; X
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
' x5 ?+ O5 X/ i7 v# R; htisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
( a. k7 W' N9 J- u# l, |: f2 Y7 ctestosterone was 60 ng/dL (normal <3 to 10 ng/dL),  v, F" p5 t" ~6 k
and β-human chorionic gonadotropin was less than% g) y' k8 ^5 F8 F# z  T% N* H% B
5 mIU/mL (normal <5 mIU/mL). Serum follicular8 t% A1 J" }- {! J
stimulating hormone and leuteinizing hormone
) L8 R& L) L# V% Oconcentrations were less than 0.05 mIU/mL
; D/ J# R( V; S' _(prepubertal).  _% F/ P# U' F- t8 P
The parents were notified about the laboratory" Q- X' }' U/ ^" c" e+ U9 C
results and were informed that all of the tests were; ]! I+ u2 ^+ n# k
normal except the testosterone level was high. The
/ c% E4 {% T8 O0 v8 u; Rfollow-up visit was arranged within a few weeks to- W4 N3 `- T; ^9 _# [7 }1 B& @
obtain testicular and abdominal sonograms; how-$ p, X0 B3 q, G" P: V: o( A' a
ever, the family did not return for 4 months.
7 _/ t# x* d, _4 S" N' LPhysical examination at this time revealed that the
3 {: l& K8 W# q; k5 v' x, [child had grown 2.5 cm in 4 months and had gained0 T0 c" v( C3 n, F7 M
2 kg of weight. Physical examination remained
; ?( q( v3 x  K. t2 i: B7 }: Bunchanged. Surprisingly, the pubic hair almost com-
; [( K2 _8 Y0 }pletely disappeared except for a few vellous hairs at! O, m5 B6 e( o; f; f
the base of the phallus. Testicular volume was still 2
' y( W9 }+ K. o* ?7 g( rmL, and the size of the penis remained unchanged./ w; O3 _0 F4 o' `- L2 U* M
The mother also said that the boy was no longer hav-
# |  Z% c$ p# Y, wing frequent erections.
$ }7 C: [( q* X# j5 s% k! p( }( uBoth parents were again questioned about use of/ r  N& h" z1 A2 c$ d3 R0 |
any ointment/creams that they may have applied to3 w! ]$ e2 k: e; x
the child’s skin. This time the father admitted the
6 n7 c# R+ C2 E, \Topical Testosterone Exposure / Bhowmick et al 541
6 Y; O, T# Z/ xuse of testosterone gel twice daily that he was apply-
# y  C: o1 i) m7 T. p: Z1 bing over his own shoulders, chest, and back area for
# S9 l9 @1 X! D" u7 da year. The father also revealed he was embarrassed' n3 y" Y5 C2 j: y
to disclose that he was using a testosterone gel pre-
/ w1 X8 Z8 |  G. fscribed by his family physician for decreased libido
) C4 u7 g4 p" c, Ksecondary to depression.- P2 z6 ^4 D: F
The child slept in the same bed with parents.
* e0 |- T4 p( H- V8 f% }The father would hug the baby and hold him on his- i- r( O% U8 G# d2 l5 N
chest for a considerable period of time, causing sig-6 j2 a' ?7 O* O; ~  R3 J* A
nificant bare skin contact between baby and father.
& N( F( a4 w# i& D$ }% O1 `7 P. }The father also admitted that after the phone call,0 d! Q3 [6 b( A' L6 g
when he learned the testosterone level in the baby
: B) e3 v0 P5 ]was high, he then read the product information
, C$ I0 v+ ^, _3 Z" G; Zpacket and concluded that it was most likely the rea-: y& J7 X0 r0 ?: P9 _- k9 A
son for the child’s virilization. At that time, they
& I% V/ T/ D* l  \6 R1 z. M- }decided to put the baby in a separate bed, and the9 |; e5 @+ u4 I4 h9 t
father was not hugging him with bare skin and had
! S* t/ S1 g6 N/ `5 t" l; ^+ cbeen using protective clothing. A repeat testosterone
) E7 V1 }. O0 M" G. [test was ordered, but the family did not go to the
- f3 E1 l- b% e4 Z2 M2 Xlaboratory to obtain the test.
' w! T. O5 }( [, |0 u3 XDiscussion* m  u& r4 v% k8 {0 U+ D
Precocious puberty in boys is defined as secondary
+ r; |. W. T3 F7 zsexual development before 9 years of age.1,4' T; ^8 \4 ], \  f# g
Precocious puberty is termed as central (true) when
, q  Q5 w7 L9 u4 y, A" zit is caused by the premature activation of hypo-7 |6 X4 m# N3 C5 Z) U
thalamic pituitary gonadal axis. CPP is more com-0 h1 i9 l9 V0 g
mon in girls than in boys.1,3 Most boys with CPP
; p7 `+ }8 k8 V# ^" lmay have a central nervous system lesion that is+ ]% C8 m0 M! N' V5 D
responsible for the early activation of the hypothal-
* u8 e, N" Q, X0 z6 Z0 i6 h$ damic pituitary gonadal axis.1-3 Thus, greater empha-$ O/ n2 H0 b/ k* T8 `2 A7 A
sis has been given to neuroradiologic imaging in- @: u8 Y: q& ?. {! X5 q; i' ?
boys with precocious puberty. In addition to viril-
, Q+ x) U7 W" X6 Yization, the clinical hallmark of CPP is the symmet-* O6 K: u0 }$ r
rical testicular growth secondary to stimulation by' f; z$ |+ W  n# j; m0 F
gonadotropins.1,3
# I/ @/ X" D: Y- T8 BGonadotropin-independent peripheral preco-
( _  m1 v. v& a/ t, j. Qcious puberty in boys also results from inappropriate
' J6 G4 a0 Z5 j$ S$ Z& }androgenic stimulation from either endogenous or% c/ }( u3 N8 J$ h4 n
exogenous sources, nonpituitary gonadotropin stim-
8 ^) ?5 [8 c" W" N' {) i/ \7 Rulation, and rare activating mutations.3 Virilizing
( _$ Y9 A5 u/ ~/ I6 P; scongenital adrenal hyperplasia producing excessive- a( B0 ?) f4 ?3 l+ a
adrenal androgens is a common cause of precocious1 B$ \, D4 b# f
puberty in boys.3,4) {3 f2 a# D" y5 e- W3 H. N, O2 a% H
The most common form of congenital adrenal
& e; X% d0 u+ z7 Jhyperplasia is the 21-hydroxylase enzyme deficiency.$ D) T" q, J  W9 Y+ b* T
The 11-β hydroxylase deficiency may also result in: ^5 }. E% S% l2 F4 x
excessive adrenal androgen production, and rarely,3 L+ }9 N0 y: K! B
an adrenal tumor may also cause adrenal androgen
, G2 h, K9 m! h0 G: H; F7 _excess.1,34 f/ X7 R7 Z% x2 P2 w2 H( v
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from) L" b0 h+ K' X7 D0 J. j# ~
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
0 E' d8 u. ^9 K/ M( h0 tA unique entity of male-limited gonadotropin-: V! _4 \9 O" g3 ^: _& a7 a6 N
independent precocious puberty, which is also known9 N  L$ `: u. I3 F* V& D
as testotoxicosis, may cause precocious puberty at a, U5 g6 a; C' `' w: e4 _
very young age. The physical findings in these boys1 I! r* ~% J$ C) A8 M& l
with this disorder are full pubertal development,
# u- P# e; F) D) Q* e7 iincluding bilateral testicular growth, similar to boys& r  u- d; N) a0 A& {; U
with CPP. The gonadotropin levels in this disorder. j- q+ l. D* ]: z
are suppressed to prepubertal levels and do not show3 O' }, X  \( n+ K, Z
pubertal response of gonadotropin after gonadotropin-
8 P! f3 g% R! K0 Q% D3 u' t7 h: dreleasing hormone stimulation. This is a sex-linked! j, n! V4 |2 {; `
autosomal dominant disorder that affects only
7 l- L) ?' N& d) I  a* Wmales; therefore, other male members of the family
" U' U9 ?. F: E9 `8 amay have similar precocious puberty.3
9 I; N2 q0 t- d% S1 ~; n9 LIn our patient, physical examination was incon-
) r8 d  o% N. f0 X% \$ n" u; d6 O, ksistent with true precocious puberty since his testi-) H6 K* q  [! N* |2 W2 m( R
cles were prepubertal in size. However, testotoxicosis
' M) w; F& k! D. bwas in the differential diagnosis because his father
& {: R' [6 \' lstarted puberty somewhat early, and occasionally,2 E$ @' s* K2 c3 Y, b
testicular enlargement is not that evident in the
2 k8 f4 u7 J; M: U" @9 m7 nbeginning of this process.1 In the absence of a neg-
# S- M2 ~, ^5 ]/ [. o: U7 y, o0 Oative initial history of androgen exposure, our
  H# L+ F5 j4 b7 \5 a9 C8 Nbiggest concern was virilizing adrenal hyperplasia,
6 g- v2 O, z" N$ E- Ueither 21-hydroxylase deficiency or 11-β hydroxylase! M/ t( k* \7 w3 }% O6 u) r) H3 e
deficiency. Those diagnoses were excluded by find-
! d4 N5 x- I+ n" Ming the normal level of adrenal steroids.
" K8 x: T* }" i: g& tThe diagnosis of exogenous androgens was strongly
- I) h9 R  D) Q1 h8 n. Jsuspected in a follow-up visit after 4 months because
, m2 V1 j  Y+ j: _4 gthe physical examination revealed the complete disap-8 F7 j( I' |& p# z2 q6 T& W
pearance of pubic hair, normal growth velocity, and; O! T$ B6 r) x  G5 l! q) h
decreased erections. The father admitted using a testos-" G% o2 z2 w, u1 K8 T
terone gel, which he concealed at first visit. He was
( Y& v4 D- \' L( K2 z; p8 S* ?. `using it rather frequently, twice a day. The Physicians’
3 y1 v: X) F- \8 cDesk Reference, or package insert of this product, gel or
) k4 {8 [) Q. a$ J* A2 G; ocream, cautions about dermal testosterone transfer to, ?0 D3 c& x8 g" B2 u/ g
unprotected females through direct skin exposure.
$ }6 ~6 K: N2 e+ S& b6 {7 DSerum testosterone level was found to be 2 times the
1 C2 i# s4 _( c# \baseline value in those females who were exposed to1 m7 Z, W2 P5 P6 A
even 15 minutes of direct skin contact with their male
0 y6 G% P0 _6 f, L' c# w0 d& u! O3 opartners.6 However, when a shirt covered the applica-3 o0 ~' T0 J' t7 J4 ]
tion site, this testosterone transfer was prevented., y: Q# O) l3 u4 ^$ R
Our patient’s testosterone level was 60 ng/mL,
, @: `: S# {* twhich was clearly high. Some studies suggest that
- S( F! r7 g+ idermal conversion of testosterone to dihydrotestos-- m7 L/ ^3 w9 r% j/ ?
terone, which is a more potent metabolite, is more
  C, l" A0 C& T( Aactive in young children exposed to testosterone
' e* @6 q- B! a1 l5 M- c) oexogenously7; however, we did not measure a dihy-
  i! m- b# F9 U% F& ?3 Jdrotestosterone level in our patient. In addition to
6 r: r+ n3 `, Hvirilization, exposure to exogenous testosterone in
. L8 _6 \! w, ^8 Jchildren results in an increase in growth velocity and$ m. l# R3 }6 m; j" ~
advanced bone age, as seen in our patient.  P9 j1 R7 B9 }+ s6 Z* H8 ~- E
The long-term effect of androgen exposure during. D; G2 T" a2 C/ |0 j
early childhood on pubertal development and final
1 b. W. P, C1 g& S0 O1 x  x: G) padult height are not fully known and always remain4 h4 ]. [  ~" A  k7 l+ G
a concern. Children treated with short-term testos-
- k+ p9 P3 {; l3 t9 }) tterone injection or topical androgen may exhibit some
9 J& r; x- \5 E. Cacceleration of the skeletal maturation; however, after
) A& c2 u) H! Q+ y; o+ m) J' \cessation of treatment, the rate of bone maturation5 f. D* r8 S  U- O! }7 S: N' y4 M# V
decelerates and gradually returns to normal.8,93 G9 x; n6 ]0 {9 V6 q
There are conflicting reports and controversy: Z* D4 B' K2 h( Y4 d
over the effect of early androgen exposure on adult  q* m' x+ {5 @: q7 C& l3 Z
penile length.10,11 Some reports suggest subnormal8 X- i2 E4 ~. w: |: m7 p
adult penile length, apparently because of downreg-/ ~3 o; u- [, |( K5 f1 U
ulation of androgen receptor number.10,12 However,- R% ]+ d9 b9 @! i$ q
Sutherland et al13 did not find a correlation between7 R$ w* A3 n+ O1 l
childhood testosterone exposure and reduced adult
$ v' Q0 o$ q1 T3 b2 _' B1 kpenile length in clinical studies.
1 `2 T  ?! F& W7 MNonetheless, we do not believe our patient is
3 h! {) l& H! z& _7 Xgoing to experience any of the untoward effects from+ M! F" w& E+ d; {3 I% w
testosterone exposure as mentioned earlier because/ b* i3 \' g2 ~% c
the exposure was not for a prolonged period of time." y0 |4 Q4 h3 f) U1 E( H
Although the bone age was advanced at the time of% {9 v7 C4 e" l2 t1 L* R  ]
diagnosis, the child had a normal growth velocity at
2 c: ?$ t; W5 t& b9 a7 A( X. r) c3 Ethe follow-up visit. It is hoped that his final adult
' T) N% M+ i5 ]0 wheight will not be affected.+ ]: B0 Z: I, p. M
Although rarely reported, the widespread avail-
; N2 y4 b5 g  cability of androgen products in our society may+ v# E  V- B0 W8 w& r3 @
indeed cause more virilization in male or female; c$ x% q5 \5 P2 U2 V, ]2 G
children than one would realize. Exposure to andro-
% n" o9 A# \& K6 |gen products must be considered and specific ques-
5 v: u3 U! n; a4 z" `! Y- s0 j) Vtioning about the use of a testosterone product or: c! q. S: U8 Y( \: S9 W* H7 h
gel should be asked of the family members during
, k1 h9 n4 W5 ?3 J' A1 Xthe evaluation of any children who present with vir-) T) x# ?, f( G9 u- f5 d7 W/ N
ilization or peripheral precocious puberty. The diag-
1 J/ e& [. l, v; X) U1 bnosis can be established by just a few tests and by
- `/ F: _* h+ B% M0 v2 {appropriate history. The inability to obtain such a* g  d0 ~% w+ H/ i9 w
history, or failure to ask the specific questions, may. O: z: _0 K6 Z! C
result in extensive, unnecessary, and expensive1 q6 z1 o& }- n8 X$ N: K& T9 M
investigation. The primary care physician should be, L+ I" f5 m3 P2 C5 S, _; r3 h9 E
aware of this fact, because most of these children
, y+ [1 C3 r1 t* z0 h1 |may initially present in their practice. The Physicians’
* s! q- ?; @+ }* \Desk Reference and package insert should also put a
6 K& @5 [( X2 z: Jwarning about the virilizing effect on a male or
# l# D9 }: O; c# v. Dfemale child who might come in contact with some-& x: w+ u: u+ U0 ~9 M5 b( l9 ^
one using any of these products.
6 U, d, C1 A( ]' z- }References
; w0 Y1 j) a, U7 D- V4 ~1. Styne DM. The testes: disorder of sexual differentiation: q9 z- B0 |5 K
and puberty in the male. In: Sperling MA, ed. Pediatric
5 d/ C% f) [6 Y4 x$ n0 kEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;6 b1 G  f# E% u0 n9 A  i
2002: 565-628.& C. Z% I2 c( W+ c" d1 u* L
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious% i4 o$ |1 ^0 X) n! k1 L3 a7 e9 V
puberty in children with tumours of the suprasellar pineal
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Sexual Precocity in a 16-Month-Old- d# e' e, h4 b4 s- H$ o
Boy Induced by Indirect Topical7 n3 g! H, X7 `, }# `
Exposure to Testosterone
8 n1 B! Q, x8 U) Z6 a# OSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,27 c" m( w+ l" [, Z
and Kenneth R. Rettig, MD13 E6 W$ `; N9 X3 J# T
Clinical Pediatrics
& h" y$ [* n3 H! g0 zVolume 46 Number 6( g3 @* Z' a  M( F' i
July 2007 540-543( Q2 l( t( B7 n4 C. g
© 2007 Sage Publications- t6 Q+ Z: {( d' b
10.1177/0009922806296651! M( j& Y# D. g: _1 [3 m9 H
http://clp.sagepub.com: Q  t9 u" y" J% j7 i  P8 G
hosted at; I/ I- B3 B- E7 q2 u. k! N" C
http://online.sagepub.com
% d  k- M* S) d* P( i2 ?& C  lPrecocious puberty in boys, central or peripheral,: \, d/ o* I! f* O
is a significant concern for physicians. Central: {4 O# S( n# T4 ?" ^! P
precocious puberty (CPP), which is mediated
! x* |' a. ]" j! r* D# g* W$ othrough the hypothalamic pituitary gonadal axis, has/ \# s. p+ f5 S  O/ S/ }
a higher incidence of organic central nervous system
! k* M! e% s% ]- r, O( `lesions in boys.1,2 Virilization in boys, as manifested
' w3 N6 B" f% z! T/ ]by enlargement of the penis, development of pubic1 n' |0 ]) n/ `6 m4 @4 G! H
hair, and facial acne without enlargement of testi-
$ N0 i2 Y) ?+ zcles, suggests peripheral or pseudopuberty.1-3 We
5 X+ W8 ^- j  `# V" greport a 16-month-old boy who presented with the
. n2 q4 K: @1 _) k. W5 Aenlargement of the phallus and pubic hair develop-( d1 l4 G# ]( O  t% D2 f9 Z0 D6 W9 H
ment without testicular enlargement, which was due
, Q- g" D: s# h2 `- X( {( Ito the unintentional exposure to androgen gel used by
( _% A5 x9 I1 I+ b* a1 qthe father. The family initially concealed this infor-
/ Y  ^, s# O9 p/ |. t& ]mation, resulting in an extensive work-up for this
8 J5 r5 T) x9 Y* w" F6 l! X* Wchild. Given the widespread and easy availability of& ^% B! m6 s- V3 z0 z1 O
testosterone gel and cream, we believe this is proba-% w0 M0 |: h6 g
bly more common than the rare case report in the1 ^0 A' J6 {& F! h/ ~. j6 `
literature.4
$ q$ U$ I) {/ t. ^: O) XPatient Report
: s# u. ?8 Z2 e- _6 d* a7 nA 16-month-old white child was referred to the
8 N6 J- M/ t' [: S( sendocrine clinic by his pediatrician with the concern
+ H+ C# U# s9 Oof early sexual development. His mother noticed
3 h& x( V' y9 d; J$ J1 j8 p# Mlight colored pubic hair development when he was
1 C, {+ z. Y7 \7 V6 CFrom the 1Division of Pediatric Endocrinology, 2University of
) ~; _7 g. A- A; dSouth Alabama Medical Center, Mobile, Alabama.2 o) H! g& G: W
Address correspondence to: Samar K. Bhowmick, MD, FACE,
+ O! \& U; C- W. J& [+ A$ zProfessor of Pediatrics, University of South Alabama, College of7 C1 l* d% \/ s; F. G& o
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
" k$ B! U& o6 s1 p' Y: i5 b) Ae-mail: [email protected].
& F6 F! o/ v& J1 tabout 6 to 7 months old, which progressively became3 m% ?+ S- F+ d0 A. l
darker. She was also concerned about the enlarge-
5 E$ F. t; t; q$ l7 D% B# S4 Vment of his penis and frequent erections. The child5 y8 J6 ]4 V7 ?0 s) P) Z  o' m
was the product of a full-term normal delivery, with
5 G* N  p9 A( d1 S$ i2 j/ Ka birth weight of 7 lb 14 oz, and birth length of
/ R+ n5 b5 s5 d( I0 J20 inches. He was breast-fed throughout the first year
/ V8 ^3 X8 O4 P/ D3 c8 rof life and was still receiving breast milk along with
: I) L! r' ^* I$ r" L; M" Ksolid food. He had no hospitalizations or surgery,
6 f6 K  y2 R3 l) }8 L- hand his psychosocial and psychomotor development
/ \; ^) g7 A  R1 y4 S; \' pwas age appropriate.
4 I' V$ |. K2 D% d6 j. L9 t- kThe family history was remarkable for the father,
! A- R! e' A) a% X; xwho was diagnosed with hypothyroidism at age 16,6 ^8 I" @! ^  v* |, K! ^
which was treated with thyroxine. The father’s
3 d0 z6 [* R. i( F0 K; P/ Eheight was 6 feet, and he went through a somewhat+ \4 i8 S4 b$ R* j0 L* J
early puberty and had stopped growing by age 14.
8 M# i! q3 j0 J$ OThe father denied taking any other medication. The& }8 z  Y! l" s3 Y7 U: y* D
child’s mother was in good health. Her menarche8 L2 |9 c2 W* _! E; G" `7 f3 P2 T
was at 11 years of age, and her height was at 5 feet# `$ V0 w8 P0 ^/ b7 k2 {: z
5 inches. There was no other family history of pre-
7 Y6 `% A- ]+ @* H- u: ?7 J- }- Tcocious sexual development in the first-degree rela-
) k& H4 @  V9 M7 @; m3 ftives. There were no siblings.) [0 a$ v3 Y; l, l% F2 j! n
Physical Examination) P9 c- p" W2 J# M( k
The physical examination revealed a very active,
" V. S, r/ l2 f+ y" w8 l% c) J0 Iplayful, and healthy boy. The vital signs documented
5 k; }* C3 `' G6 d6 Ga blood pressure of 85/50 mm Hg, his length was( {  Z: k- x2 w6 ?: s$ j& {
90 cm (>97th percentile), and his weight was 14.4 kg
) Z4 a; K, W6 m. ?, o. x/ e# e(also >97th percentile). The observed yearly growth
  n2 ^, h# V4 l1 k9 f) Evelocity was 30 cm (12 inches). The examination of. y! J) J, h3 U6 `5 d- E, f
the neck revealed no thyroid enlargement.
3 ?8 C" S+ n" L/ T; f2 ^8 B" k8 f/ YThe genitourinary examination was remarkable for: r& R; r- v8 C
enlargement of the penis, with a stretched length of
' ~. g& ^1 V' b) |, C8 cm and a width of 2 cm. The glans penis was very well
& O$ {/ w1 Q+ r) G3 u" \1 Ideveloped. The pubic hair was Tanner II, mostly around7 r. z' p* B0 |
540% R# p  w6 }8 ~
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
$ x! K' u7 o+ o, N6 h6 dthe base of the phallus and was dark and curled. The: X2 P: X" e9 b0 b
testicular volume was prepubertal at 2 mL each.
. v$ @7 u  N$ ]/ s5 Z  S. U! o/ {The skin was moist and smooth and somewhat9 v. e+ ~: d2 r5 L
oily. No axillary hair was noted. There were no# {' j+ I# ]3 N+ x" ~
abnormal skin pigmentations or café-au-lait spots.
* i1 g$ z: b& x9 s5 b" z/ o, SNeurologic evaluation showed deep tendon reflex 2+- F, r/ L% e: k' j4 v/ t1 C9 O
bilateral and symmetrical. There was no suggestion& ?; }- s; f1 }0 Z
of papilledema.
1 W8 n8 e5 a/ y- q; \Laboratory Evaluation7 X; W: ~7 H( I% j# P
The bone age was consistent with 28 months by6 `- H( F; Q" y8 ~' t& Q1 U6 b
using the standard of Greulich and Pyle at a chrono-/ Z& t  @. C4 F+ I$ Q
logic age of 16 months (advanced).5 Chromosomal, E1 `6 T; M8 [. R8 a: a
karyotype was 46XY. The thyroid function test
  x2 U; `8 I9 h, Kshowed a free T4 of 1.69 ng/dL, and thyroid stimu-* `$ c, X, O1 T+ O6 P( c
lating hormone level was 1.3 µIU/mL (both normal).( s0 Y. y* q0 X3 R
The concentrations of serum electrolytes, blood2 _# T- C1 Y% q" p* b' h
urea nitrogen, creatinine, and calcium all were
/ y, N8 [5 o3 R( c) lwithin normal range for his age. The concentration7 V/ u6 x& A2 G6 q# [$ y
of serum 17-hydroxyprogesterone was 16 ng/dL
5 _1 H1 {5 K5 V+ V(normal, 3 to 90 ng/dL), androstenedione was 20. z7 v1 l2 h6 d- L! D
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-" `: n' Y; t# N+ D
terone was 38 ng/dL (normal, 50 to 760 ng/dL),
/ m+ e7 r: a! ~+ fdesoxycorticosterone was 4.3 ng/dL (normal, 7 to
& i6 K2 m" A. J& c, B) M49ng/dL), 11-desoxycortisol (specific compound S)% l0 b0 e2 F5 x
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
  w) \, `) {8 {9 xtisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
% S( L7 Z6 d5 m, K) r6 \5 Vtestosterone was 60 ng/dL (normal <3 to 10 ng/dL),
) k: U) t4 z+ I* T# pand β-human chorionic gonadotropin was less than
/ L$ L) a$ C$ C/ R1 X5 mIU/mL (normal <5 mIU/mL). Serum follicular
8 S3 z3 l- V( @5 d  u" M+ O' N; lstimulating hormone and leuteinizing hormone/ n; H; t' D; A5 _+ e+ b& b
concentrations were less than 0.05 mIU/mL+ `( @+ Q2 u4 ?& g2 e( v) P0 y7 ?
(prepubertal).7 w* o; ?! a; B8 o
The parents were notified about the laboratory
& m5 Y3 c8 x: c* h& [results and were informed that all of the tests were
3 J6 f, O# i, ^# gnormal except the testosterone level was high. The% Y4 U% l; j; s: w
follow-up visit was arranged within a few weeks to9 _" k$ S, V2 p) K% p9 @
obtain testicular and abdominal sonograms; how-
+ m. i0 j: W0 V! G! g, |ever, the family did not return for 4 months.
1 u) ~5 x% Q# r( C( sPhysical examination at this time revealed that the
" D: Z: ~( o2 L8 ~7 h, uchild had grown 2.5 cm in 4 months and had gained
4 C  r2 _: Y2 M% w5 [2 kg of weight. Physical examination remained
7 e% |: e7 d/ s7 C2 Tunchanged. Surprisingly, the pubic hair almost com-$ F0 r+ H* M* K- P$ n+ |
pletely disappeared except for a few vellous hairs at
# {* s) d$ W5 k; h8 V3 `the base of the phallus. Testicular volume was still 24 U% R& L' n$ ?
mL, and the size of the penis remained unchanged.
/ ]' {' P: u$ Z* L! [The mother also said that the boy was no longer hav-
3 z4 }/ Y1 O% y- U5 W& ding frequent erections.
: q* \+ X/ Z8 wBoth parents were again questioned about use of
- R8 e5 V' ?! p3 many ointment/creams that they may have applied to
/ W7 O: H0 l1 Y& Sthe child’s skin. This time the father admitted the
3 ^1 d# k  g$ b* ATopical Testosterone Exposure / Bhowmick et al 541
& K3 c% D  ?, Huse of testosterone gel twice daily that he was apply-
9 \/ m  ~9 Z! ?5 |; w/ ]- [! U" R: ming over his own shoulders, chest, and back area for
/ c) A6 i( Q4 N; i: o8 {+ a# o$ \a year. The father also revealed he was embarrassed
5 O$ P/ M' e4 Rto disclose that he was using a testosterone gel pre-
6 g5 X. F: v" R9 V# k' F+ J/ ^scribed by his family physician for decreased libido
$ Q9 t' g- e6 W6 {* _secondary to depression.
$ u. F  G; k9 j/ zThe child slept in the same bed with parents.+ r1 u6 ^4 @: g; i6 t( z
The father would hug the baby and hold him on his1 z5 F  m; l/ ~  g8 G: k6 Y1 h- M& r
chest for a considerable period of time, causing sig-" v1 C1 Z8 `; w# u3 K5 f
nificant bare skin contact between baby and father.
- d- C; q3 {- V+ R: |' UThe father also admitted that after the phone call,
# r! L1 n6 C% Owhen he learned the testosterone level in the baby# T( [3 W4 R4 w" H# q2 X7 Y
was high, he then read the product information- W5 j6 K8 Y1 [
packet and concluded that it was most likely the rea-/ I/ e# {8 |) F9 W' ]+ S$ _& q
son for the child’s virilization. At that time, they
/ S7 y7 y# v+ L, Bdecided to put the baby in a separate bed, and the2 W1 j% K, i3 |7 c/ K4 _$ I' O; C# t
father was not hugging him with bare skin and had! o3 N& s% G/ o6 c: T! i
been using protective clothing. A repeat testosterone
$ Z1 d" ~. ^( \! w+ Utest was ordered, but the family did not go to the
& ?7 ?  _& F' s  l$ ?3 u5 \) H+ {laboratory to obtain the test.
+ I$ e, P6 i1 L% M& rDiscussion3 Y% H9 X/ i) D3 C: [
Precocious puberty in boys is defined as secondary
' T+ b, z7 b5 ?! R- {3 ssexual development before 9 years of age.1,4, x5 z) U6 k0 k1 s. R
Precocious puberty is termed as central (true) when) e# e, o# ?/ r) F0 X
it is caused by the premature activation of hypo-/ r' I* @: B1 W4 S) |5 d$ O
thalamic pituitary gonadal axis. CPP is more com-
. A0 l4 C! {2 L' w) ~mon in girls than in boys.1,3 Most boys with CPP! x! {$ v, g' m& K
may have a central nervous system lesion that is
$ S  F9 u" I8 w* k9 T( j6 c. K1 Hresponsible for the early activation of the hypothal-% g, I3 v* h0 T6 I4 l
amic pituitary gonadal axis.1-3 Thus, greater empha-
$ S; k6 c4 S3 }7 m+ M3 A- Q/ ~& D8 Rsis has been given to neuroradiologic imaging in
8 c& F. I8 B" V7 ^  Sboys with precocious puberty. In addition to viril-! y( N* y! r8 p0 \% `7 }
ization, the clinical hallmark of CPP is the symmet-
* F; w( C* A* a1 Q% Srical testicular growth secondary to stimulation by) e/ z7 P* D/ _
gonadotropins.1,3
/ c% V2 D0 O1 D4 `& V4 O' A3 FGonadotropin-independent peripheral preco-
" c- P4 y# n6 D8 {cious puberty in boys also results from inappropriate0 |" P( s! r$ `4 [. Q* C+ h" T  G
androgenic stimulation from either endogenous or
+ r& W7 ?3 X2 {; e1 vexogenous sources, nonpituitary gonadotropin stim-
3 n0 A  B' V  |. q7 Bulation, and rare activating mutations.3 Virilizing- z# g8 t, e5 V* `; V, J. k+ N
congenital adrenal hyperplasia producing excessive( k% g$ A# u0 \- m% U
adrenal androgens is a common cause of precocious8 `$ U8 L$ {. ]* D
puberty in boys.3,4
# f, k( S. t* s# \The most common form of congenital adrenal
1 a9 M& S" Y) z" x1 Fhyperplasia is the 21-hydroxylase enzyme deficiency.% z/ M- |" U, j/ K1 j
The 11-β hydroxylase deficiency may also result in
  |, o$ `7 R: m- v8 r0 \( Wexcessive adrenal androgen production, and rarely,
$ Y) q! e9 L* van adrenal tumor may also cause adrenal androgen0 u; T1 S: \4 E; r4 v, ^* L0 P
excess.1,3
( ]2 J( N; \# q7 [/ i+ Q6 `4 X! C4 Hat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
/ O, @' U" f0 y542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
7 @6 h/ Y$ w7 w" Z& C! RA unique entity of male-limited gonadotropin-
3 n+ A9 {! `# f1 ~# Y! U9 \independent precocious puberty, which is also known
6 L0 E$ D# q) nas testotoxicosis, may cause precocious puberty at a
: y% b8 l" U& }; A5 _9 @4 xvery young age. The physical findings in these boys
+ ^: j/ S7 `  V/ y% K0 ?4 K  `5 \with this disorder are full pubertal development,
) n; ?" D2 O8 A# nincluding bilateral testicular growth, similar to boys1 u* y2 \, N8 i8 J3 E. |, E2 F  L8 ^
with CPP. The gonadotropin levels in this disorder
" u, ^% m( a+ yare suppressed to prepubertal levels and do not show
( i8 x; t& }+ c2 o6 {pubertal response of gonadotropin after gonadotropin-
$ Q' q' V4 S/ Z( wreleasing hormone stimulation. This is a sex-linked. ~6 C' L/ H5 Z* _
autosomal dominant disorder that affects only  m' M- j' y/ L/ }8 Q6 u, ^; W
males; therefore, other male members of the family/ r3 ^5 Y* R! Y# b  T
may have similar precocious puberty.3
6 b4 M% {3 ^% K6 e4 L$ U5 p0 fIn our patient, physical examination was incon-% y- }' E6 i" p+ x/ t
sistent with true precocious puberty since his testi-
% E, i, x3 T, ~1 x1 v' ocles were prepubertal in size. However, testotoxicosis8 _0 x% V9 G/ J& F9 X, ?' v# i
was in the differential diagnosis because his father+ I# F! }, q. C% @4 y- N: X% F
started puberty somewhat early, and occasionally,
) |, o3 X9 R( itesticular enlargement is not that evident in the4 z4 v+ g" S! r; G/ {4 P9 q
beginning of this process.1 In the absence of a neg-  ]* }3 G! a7 h
ative initial history of androgen exposure, our
3 K4 z/ L* @( F7 N; y% Pbiggest concern was virilizing adrenal hyperplasia,' `8 X: M/ a5 m7 w2 q$ S0 o4 L
either 21-hydroxylase deficiency or 11-β hydroxylase
: \' r0 E7 {$ T& H7 f; k. E  ddeficiency. Those diagnoses were excluded by find-9 P* a  l* A9 ^- c0 Y' ~
ing the normal level of adrenal steroids.
, h& C8 h7 n# T2 c( cThe diagnosis of exogenous androgens was strongly
' {" T+ v0 }( g* v) r- rsuspected in a follow-up visit after 4 months because
( e6 n4 I" L2 P9 t& gthe physical examination revealed the complete disap-
( T- p4 n) h0 b$ a  U" ~: ~pearance of pubic hair, normal growth velocity, and* Z- Q# [* Q( n7 \
decreased erections. The father admitted using a testos-
3 m; Y  S) |- G: @- I/ j; Z- N! Qterone gel, which he concealed at first visit. He was
, m# k; B3 k* U$ \# Q4 nusing it rather frequently, twice a day. The Physicians’
9 I5 f! J- z0 y. G0 Z5 ~Desk Reference, or package insert of this product, gel or
6 f) }  C+ y  ]cream, cautions about dermal testosterone transfer to
1 [/ l4 J! g' u  p% Uunprotected females through direct skin exposure.
  x- v& o  R! ]4 t( P- KSerum testosterone level was found to be 2 times the
( P* G1 g& c5 k  R, h! ]) f& Ebaseline value in those females who were exposed to9 m5 p" e( T% l% C) E
even 15 minutes of direct skin contact with their male
/ y  r+ I! V: \partners.6 However, when a shirt covered the applica-+ ]# w7 R# @) r. j
tion site, this testosterone transfer was prevented.
7 V; Y) s6 L/ P" z) @3 IOur patient’s testosterone level was 60 ng/mL,
3 n) c2 |. D- Y( g/ s) Iwhich was clearly high. Some studies suggest that
; H3 R  H) d, Q2 I8 Zdermal conversion of testosterone to dihydrotestos-+ \) w+ h0 A4 w0 e* i) \. `7 f* u
terone, which is a more potent metabolite, is more9 t' z1 C7 z6 Y& C9 a
active in young children exposed to testosterone
+ F' B) v7 a% P: K7 @exogenously7; however, we did not measure a dihy-4 j) F: z! i# a) N* M
drotestosterone level in our patient. In addition to1 U# V  K& `6 f- i5 m+ t
virilization, exposure to exogenous testosterone in" K  |. i9 j7 q
children results in an increase in growth velocity and
/ c; R8 u/ T; e# v  ~advanced bone age, as seen in our patient.2 c" R% n' B, b' t- a
The long-term effect of androgen exposure during
  H' j3 g% j( ^. Q2 Vearly childhood on pubertal development and final
6 d% ~5 j7 ~8 Y. u: J3 D! Vadult height are not fully known and always remain
0 R- d8 U* ^0 Y1 L+ m( Q" [4 ~8 Wa concern. Children treated with short-term testos-! H4 }3 l7 X, v8 j6 b
terone injection or topical androgen may exhibit some" x; |7 L+ w- _8 q  D; J3 A5 d* D" `
acceleration of the skeletal maturation; however, after
- c% Y6 T" d0 U- M6 M$ n& z! m9 _cessation of treatment, the rate of bone maturation
) W* t* T4 y  ~- k% Zdecelerates and gradually returns to normal.8,9
, p' T. i( \# |9 M! hThere are conflicting reports and controversy
; v8 g4 L, S; B- Fover the effect of early androgen exposure on adult
+ k4 v' M" r% q0 N. k0 t: c% ipenile length.10,11 Some reports suggest subnormal: q% ^" c2 f' _( i1 ?; q4 D. D$ y% {
adult penile length, apparently because of downreg-
- I7 Y" J1 M9 _; Bulation of androgen receptor number.10,12 However,! e4 J8 p# n( `2 G) e% G
Sutherland et al13 did not find a correlation between+ ~6 O5 {3 f! I. B# A; R* x8 i
childhood testosterone exposure and reduced adult9 {  y4 ?' z+ m4 r$ }2 \6 S
penile length in clinical studies.
  A$ h) n8 W( n# ?/ n$ kNonetheless, we do not believe our patient is' i' c" L3 V+ c
going to experience any of the untoward effects from
* B3 d7 C2 H1 \0 P% v6 A* d4 ?testosterone exposure as mentioned earlier because% p% v; Z3 i5 M/ ^
the exposure was not for a prolonged period of time.5 z+ b  o: X2 v
Although the bone age was advanced at the time of
; ~8 [1 v1 @" [3 C: f) Sdiagnosis, the child had a normal growth velocity at
8 w  {% Y5 _" F& S) Gthe follow-up visit. It is hoped that his final adult! a( Z% o# `' B$ ^  L
height will not be affected., u3 O) J- X  f# X4 Y. `
Although rarely reported, the widespread avail-) [6 g9 I/ Y- R# D
ability of androgen products in our society may
1 o4 G0 G3 ?# K$ c1 n- ^indeed cause more virilization in male or female
$ U8 c8 x8 B7 n9 t* Hchildren than one would realize. Exposure to andro-* ]1 N; v- r8 w- m6 k+ }
gen products must be considered and specific ques-5 [, A6 m5 H* y/ d0 [; {! s
tioning about the use of a testosterone product or) H9 p% a" x5 R4 y: c+ S# B
gel should be asked of the family members during  w" w$ G3 b8 s$ @% n& |
the evaluation of any children who present with vir-' @1 v' @5 L! _& r  \' X, E
ilization or peripheral precocious puberty. The diag-
* a4 e1 l9 E/ _1 n2 Q+ G9 P! Lnosis can be established by just a few tests and by, s* n0 g& Y, ~) g$ x. z
appropriate history. The inability to obtain such a
) a( |) h1 U% b. v( \8 uhistory, or failure to ask the specific questions, may  C: V2 R9 G$ g, i! `+ c
result in extensive, unnecessary, and expensive9 G( `" R. k. E" J9 q1 l
investigation. The primary care physician should be  k* H# W3 G9 V8 o( [% j; B; H9 O$ y
aware of this fact, because most of these children
4 X" _) \2 }' @, Z( L2 jmay initially present in their practice. The Physicians’, E! }3 R1 c/ `3 S( F7 q. {+ I
Desk Reference and package insert should also put a' \9 n8 U4 `6 \# y/ w- z
warning about the virilizing effect on a male or( ~- `3 V* Z' i0 g3 O" Y
female child who might come in contact with some-4 i7 _. R, F9 F' b" `
one using any of these products.
9 P) Q. I9 Z! n) Z( c0 A4 J6 CReferences0 x1 D. c* X2 k8 K. W$ `
1. Styne DM. The testes: disorder of sexual differentiation+ S$ f7 G" N! G
and puberty in the male. In: Sperling MA, ed. Pediatric
! x' f( P9 S+ `5 t9 uEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
/ [% p+ i5 ^! U4 J$ M8 p2002: 565-628.
  h5 i: y: z) |, ?% ?4 v1 L6 w2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious9 ~$ F1 T4 d- I. z8 l8 E& M# E
puberty in children with tumours of the suprasellar pineal
發表於 2025-1-11 22:18:01 | 顯示全部樓層
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

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發表於 2025-3-11 12:31:56 | 顯示全部樓層
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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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