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is a significant concern for physicians. Central
4 X% C; h" {1 _' U) _. ~2 w7 v+ L+ wprecocious puberty (CPP), which is mediated3 w1 {( L: \; g9 n9 I- `
through the hypothalamic pituitary gonadal axis, has
/ s( r6 X6 T( T) Q- Ia higher incidence of organic central nervous system0 ?0 j q _' |" n0 K0 M; W
lesions in boys.1,2 Virilization in boys, as manifested; q, }# l( v4 B0 Z0 L
by enlargement of the penis, development of pubic J( v. P! U1 g9 S
hair, and facial acne without enlargement of testi-
8 H$ i$ s% |7 acles, suggests peripheral or pseudopuberty.1-3 We$ w9 g3 E4 I$ X2 [# @
report a 16-month-old boy who presented with the. ]3 N0 k/ R# N q9 T
enlargement of the phallus and pubic hair develop-
9 o+ b/ W4 B/ i2 `) fment without testicular enlargement, which was due
! @: _6 O, J1 [to the unintentional exposure to androgen gel used by
8 f: Y& r+ N* T* S% e. a5 W& R$ e0 U, Fthe father. The family initially concealed this infor-2 R6 @# q N4 Y7 i5 j
mation, resulting in an extensive work-up for this) @; c" ^$ F7 G7 |" s
child. Given the widespread and easy availability of
- B7 `# `# C2 `+ ltestosterone gel and cream, we believe this is proba-
% a" N r7 y; @! z7 U7 v1 }bly more common than the rare case report in the! h* g) {2 ^! D1 W7 e
literature.4
, w! B3 E+ W) y' }Patient Report
4 Y. N. |2 k: ~# n% _$ D+ SA 16-month-old white child was referred to the) M' I$ j1 F6 O' t
endocrine clinic by his pediatrician with the concern- t; ^$ b% E. L' k& ]; v
of early sexual development. His mother noticed
* }7 t8 }2 ]$ B3 Jlight colored pubic hair development when he was- n8 F& [4 R0 j* w/ s- Y9 C
From the 1Division of Pediatric Endocrinology, 2University of
9 o& y/ K8 L# d( j9 y) [. w$ iSouth Alabama Medical Center, Mobile, Alabama.
: H: X ~. m; U* sAddress correspondence to: Samar K. Bhowmick, MD, FACE,: w" I' u7 Q, w* O! A% g
Professor of Pediatrics, University of South Alabama, College of
) G5 l( y( i% V2 o: @5 U/ bMedicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;1 C& Y1 |6 e# K# j& P
e-mail: [email protected].
5 O) S4 U( G+ g# R9 l* C" y9 Rabout 6 to 7 months old, which progressively became
- q* ]5 E; j xdarker. She was also concerned about the enlarge-
' q. k6 U# z xment of his penis and frequent erections. The child
& |. _1 I2 B1 ?- d) s( e7 R* ?was the product of a full-term normal delivery, with; E2 W8 P) v! T+ a1 U
a birth weight of 7 lb 14 oz, and birth length of6 Z1 u, Y1 V, x, L. B; o
20 inches. He was breast-fed throughout the first year
6 Q1 M# u) j7 ^/ Y/ A4 ]: C3 Aof life and was still receiving breast milk along with
+ ^8 O8 z/ }: x' `: c9 O- }* a4 `3 ksolid food. He had no hospitalizations or surgery,
( _; y/ n3 J3 l# Dand his psychosocial and psychomotor development8 b# E+ y. u; x* s8 ?
was age appropriate./ L+ K! ?" B6 V; c z
The family history was remarkable for the father,9 V5 Y A$ t1 G# h
who was diagnosed with hypothyroidism at age 16,1 w* s9 u" d& b9 k
which was treated with thyroxine. The father’s
~1 e# A+ P& b+ p0 c6 pheight was 6 feet, and he went through a somewhat. x- T: v. M6 @( T/ E4 M, p6 T0 R8 v
early puberty and had stopped growing by age 14.
. K" O8 F6 C3 PThe father denied taking any other medication. The
; m# ~# x& z4 N" y+ U) f1 Uchild’s mother was in good health. Her menarche
% I& w6 b5 d) @5 uwas at 11 years of age, and her height was at 5 feet4 U/ Q: B g6 a/ V3 i3 }7 m
5 inches. There was no other family history of pre-3 n1 q6 J1 j0 v, Z
cocious sexual development in the first-degree rela-/ Q# U! z( w3 S& ?3 U# S8 j
tives. There were no siblings.
^( G/ L! `, VPhysical Examination: q4 w% q" d* R! T) q- \
The physical examination revealed a very active,
8 C( Y* |. k. A7 ]/ uplayful, and healthy boy. The vital signs documented
1 {) p* m! v. ?# }& q) t& _a blood pressure of 85/50 mm Hg, his length was5 t# u X9 ~( G* F. [6 q
90 cm (>97th percentile), and his weight was 14.4 kg
% ^: o, ]! C8 J9 O7 \(also >97th percentile). The observed yearly growth
0 T! |* ^" i7 [: f) B; H7 ~velocity was 30 cm (12 inches). The examination of7 q5 ?( f2 g" P$ b. Q% n
the neck revealed no thyroid enlargement.' H- }) h6 i3 u9 `2 p$ p2 H
The genitourinary examination was remarkable for
* W6 R; Q c; i" K0 @, Venlargement of the penis, with a stretched length of
; i4 l) d" f) \7 B! x8 cm and a width of 2 cm. The glans penis was very well
( t0 t$ L8 K* B0 x* l! ddeveloped. The pubic hair was Tanner II, mostly around
* p1 v8 H, u; ~' j% s/ B. z/ m: N540/ v( f9 f& ]9 ?
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
1 }/ z, A+ ~5 Cthe base of the phallus and was dark and curled. The
0 e8 j; s0 Q0 }testicular volume was prepubertal at 2 mL each.
6 L+ E" C2 C1 R$ IThe skin was moist and smooth and somewhat
% {/ v; a2 n/ ]oily. No axillary hair was noted. There were no1 C/ F! e' t/ L. {( z
abnormal skin pigmentations or café-au-lait spots.* ]3 ?, A6 o+ ^( h+ b
Neurologic evaluation showed deep tendon reflex 2+
( V1 Q" t$ u( S3 B1 Dbilateral and symmetrical. There was no suggestion5 I* ?; M( f% F8 }
of papilledema.- g/ z7 \$ o+ _( n8 {3 `1 @! R
Laboratory Evaluation" l3 K1 Y5 W. ?1 @9 b: C
The bone age was consistent with 28 months by
2 o2 a, q' Z/ {2 pusing the standard of Greulich and Pyle at a chrono-
! B/ {$ k9 _' D; e- l5 A$ [logic age of 16 months (advanced).5 Chromosomal1 _1 k- a! m t+ B: s6 ~% c
karyotype was 46XY. The thyroid function test
; J0 o2 \; j q h/ h) O& M# ^showed a free T4 of 1.69 ng/dL, and thyroid stimu-
& W( j; a2 u& j5 Tlating hormone level was 1.3 µIU/mL (both normal). g3 C# f, b% P1 j4 r8 V" ?$ V
The concentrations of serum electrolytes, blood+ b+ U! L/ G6 I, P# F
urea nitrogen, creatinine, and calcium all were; @* N6 H2 B3 C9 J) E1 ?
within normal range for his age. The concentration( f; C; J2 O+ X* h4 h$ D r' L0 j. [
of serum 17-hydroxyprogesterone was 16 ng/dL
, O/ H5 @) j ~+ t8 d ~! g(normal, 3 to 90 ng/dL), androstenedione was 205 e9 L9 H" |! [! k0 V1 n1 M
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
. x& B+ _, [$ z: A; ?- A$ F6 Lterone was 38 ng/dL (normal, 50 to 760 ng/dL),1 S1 c2 q0 W8 @; Q1 C) L9 N
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
/ J4 W% k; V* w5 i2 d49ng/dL), 11-desoxycortisol (specific compound S)9 O9 ]+ ^& A5 H& m! ^; l
was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-% I" j. |) H3 F) y3 V1 A" x
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
s2 _+ _' Z# O5 Ftestosterone was 60 ng/dL (normal <3 to 10 ng/dL),
# B9 ?$ G: ]: G% N1 {. t8 f0 W- Uand β-human chorionic gonadotropin was less than
3 O4 U$ t* V( S4 n2 W5 mIU/mL (normal <5 mIU/mL). Serum follicular
* s( q5 r8 m0 |stimulating hormone and leuteinizing hormone0 P/ |% h, y: x
concentrations were less than 0.05 mIU/mL' v( | ]3 c2 |/ y# R
(prepubertal).! n. l7 P7 s4 H8 x+ h
The parents were notified about the laboratory# W+ z% Q7 Z7 t& e0 w4 M& R
results and were informed that all of the tests were
! x' k% m4 v0 S6 l% B( enormal except the testosterone level was high. The
3 ~7 p4 W1 q& X, `follow-up visit was arranged within a few weeks to
5 I- t3 Z/ f B" f5 bobtain testicular and abdominal sonograms; how-! w! a. @& z1 v6 x, k& O( t
ever, the family did not return for 4 months.
# r# t8 G5 t5 {: t# GPhysical examination at this time revealed that the( d6 Z1 k, \9 L
child had grown 2.5 cm in 4 months and had gained+ |$ k" o$ c, e
2 kg of weight. Physical examination remained$ A' k- [+ n9 [& N: e2 N7 Z+ [
unchanged. Surprisingly, the pubic hair almost com-; q I0 O' k6 l5 D0 ]1 `
pletely disappeared except for a few vellous hairs at
2 p' k+ G, A# K; V! Rthe base of the phallus. Testicular volume was still 2
0 `2 H. X. q4 J! tmL, and the size of the penis remained unchanged.
( [2 R* z0 [6 q" r3 `The mother also said that the boy was no longer hav-; I6 }( t: w' ?! C, R
ing frequent erections.
) d ]7 G4 i6 ^Both parents were again questioned about use of) P7 Z9 w+ d: i4 m
any ointment/creams that they may have applied to
& N( n" w3 t0 {4 ?" Y. dthe child’s skin. This time the father admitted the$ o& z# Q! D3 v: G! l) T
Topical Testosterone Exposure / Bhowmick et al 541
6 _ k4 Q; R0 L( Z5 y; ~" Kuse of testosterone gel twice daily that he was apply-, i& Z5 {0 g) x, O+ t/ \. i- f
ing over his own shoulders, chest, and back area for0 b, B* l7 d1 J# Y% ?' v7 q5 |
a year. The father also revealed he was embarrassed
B( d# @4 e3 N8 @, q; |4 gto disclose that he was using a testosterone gel pre-
$ M6 `* W7 N5 j+ h: o+ S0 T# j& tscribed by his family physician for decreased libido
! N# {3 N2 w7 ^1 m) Asecondary to depression.( h# ^# \) ?; O2 |. i
The child slept in the same bed with parents.0 c& Q) c7 ]* Z+ w" Q+ Q
The father would hug the baby and hold him on his! r7 K" H$ O+ H) b+ L3 Z2 v
chest for a considerable period of time, causing sig-
% b8 _$ _/ n+ }4 D. N6 Knificant bare skin contact between baby and father.
2 w4 g4 a/ `! UThe father also admitted that after the phone call,$ f. H1 |+ C; O/ c& _
when he learned the testosterone level in the baby
0 G( L7 R4 _/ Kwas high, he then read the product information
- n% Z. ?2 J4 h% h0 G% Lpacket and concluded that it was most likely the rea- j, k5 `5 _/ F2 F- h
son for the child’s virilization. At that time, they
/ m' S, f8 ~1 ~( ddecided to put the baby in a separate bed, and the/ b$ P- |/ E6 X* c0 Z1 L5 O
father was not hugging him with bare skin and had6 \5 u" n3 ]$ e* G! E: l' h
been using protective clothing. A repeat testosterone
: S4 k1 x4 G0 _% F; y0 ^3 W; y7 stest was ordered, but the family did not go to the6 U; J0 y2 H) O, F1 {2 r$ D& j
laboratory to obtain the test.+ Z) r/ r6 p+ l/ |8 j/ X7 m# ]/ X
Discussion
! M3 x4 ?0 U. e) j* p$ ?Precocious puberty in boys is defined as secondary0 x7 y" d, a2 D& d% S
sexual development before 9 years of age.1,4
2 h* l! C7 Z8 K+ m) uPrecocious puberty is termed as central (true) when: |% C, @. [% O, A1 d5 S; A) S' Z
it is caused by the premature activation of hypo-
0 J4 @% T a' x: p) h9 x! [thalamic pituitary gonadal axis. CPP is more com-5 p$ n0 x# |- G5 [9 o3 ~
mon in girls than in boys.1,3 Most boys with CPP# J; L+ Z: W5 a5 w6 c
may have a central nervous system lesion that is
5 I" L) d4 {6 V- E, G$ gresponsible for the early activation of the hypothal-
2 Z/ A, Y/ \4 [7 h( u& Y. ]amic pituitary gonadal axis.1-3 Thus, greater empha-
: H6 r5 ^0 S' z1 Bsis has been given to neuroradiologic imaging in# E0 @- t" V% v% m; \5 q
boys with precocious puberty. In addition to viril-
/ Y7 v% }: R3 eization, the clinical hallmark of CPP is the symmet-, y; I9 i% b- \% a$ W: a4 T- Q
rical testicular growth secondary to stimulation by
0 M2 `* R. K$ Pgonadotropins.1,3
6 o$ q( Z6 \% ]# o5 C5 p9 D4 j" HGonadotropin-independent peripheral preco-
6 {* @) C2 s; U0 U( icious puberty in boys also results from inappropriate8 u8 H; L. Q A4 j* y, d
androgenic stimulation from either endogenous or
, T: {/ `9 U1 e" R5 `% Cexogenous sources, nonpituitary gonadotropin stim-$ ?) T+ `# J/ E# b8 D# p
ulation, and rare activating mutations.3 Virilizing
& B3 h; g. r0 i6 b& bcongenital adrenal hyperplasia producing excessive, G6 J7 R+ L6 ~; I& `0 L6 M8 E
adrenal androgens is a common cause of precocious
* \: S, G1 R( G. {) O1 xpuberty in boys.3,4$ K; H) q, l r; n0 U$ F6 ~# z+ o$ O
The most common form of congenital adrenal' }; o! B- y( l {7 I4 h) L
hyperplasia is the 21-hydroxylase enzyme deficiency.
* n2 Q+ \5 W: QThe 11-β hydroxylase deficiency may also result in) v! X2 c) ?& L% `% Z- w
excessive adrenal androgen production, and rarely,
" t6 T2 m# R, S- X- [0 O5 Ean adrenal tumor may also cause adrenal androgen8 s5 J# b( i) T/ A$ L
excess.1,3
) v8 m7 E! v3 W( W" B8 tat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from) t: p4 N2 W8 e! k: @, |
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
O9 B' P. o! r# zA unique entity of male-limited gonadotropin-
3 p a& q5 R( A) pindependent precocious puberty, which is also known
; {. t) m3 E7 g. R* @# bas testotoxicosis, may cause precocious puberty at a# @: |/ H3 o! ?/ _7 [
very young age. The physical findings in these boys
8 ]& Y8 v; Q, k2 t, R1 j) ?/ y; M3 Xwith this disorder are full pubertal development,$ K5 N* P6 {" P& ^
including bilateral testicular growth, similar to boys1 x7 G/ N# P) ^' Y+ n+ S6 n
with CPP. The gonadotropin levels in this disorder4 {: g- y/ b- w/ R1 C
are suppressed to prepubertal levels and do not show
3 U& e# G% u" m" B1 x$ b e6 `/ Ypubertal response of gonadotropin after gonadotropin-
2 e8 ^& m5 }% G: freleasing hormone stimulation. This is a sex-linked6 | u4 n e( i' \: _* X
autosomal dominant disorder that affects only* J6 J/ H0 s7 U) w3 v# M
males; therefore, other male members of the family2 O5 j5 K9 f2 Z7 b* x7 U' j
may have similar precocious puberty.3, z3 L3 H2 G6 X S6 E2 k0 U
In our patient, physical examination was incon-
+ Y; D! `' n& d, b/ s8 D& l8 _sistent with true precocious puberty since his testi-
9 L2 W7 o1 i' Z6 Icles were prepubertal in size. However, testotoxicosis
8 s. @7 |4 J4 ]1 s; bwas in the differential diagnosis because his father9 f1 G8 I3 P9 x4 w' N
started puberty somewhat early, and occasionally,% }! n6 n/ o+ f; a$ `0 y; a, y0 ^
testicular enlargement is not that evident in the
8 i2 @( G# v& ^. y& K6 Gbeginning of this process.1 In the absence of a neg-
& z8 w& r! ]1 X0 C* F4 ]ative initial history of androgen exposure, our
# m$ |1 k; M) kbiggest concern was virilizing adrenal hyperplasia,
% U* }5 B, ?. X+ Reither 21-hydroxylase deficiency or 11-β hydroxylase# B2 _; |6 [4 M$ p3 t W( ^
deficiency. Those diagnoses were excluded by find-
4 _! o6 |' c) [$ j9 \( hing the normal level of adrenal steroids.: q! S3 h L* _2 o/ J
The diagnosis of exogenous androgens was strongly
. ?2 t o% @3 Vsuspected in a follow-up visit after 4 months because
+ n6 N* {+ p( x" Mthe physical examination revealed the complete disap-# [$ J. k( f1 R7 Y8 t% a
pearance of pubic hair, normal growth velocity, and/ S( A" ?1 z8 B5 G/ h* L5 ]$ u2 v/ ] H
decreased erections. The father admitted using a testos-4 P$ [4 o9 Z, Q4 o( C1 G
terone gel, which he concealed at first visit. He was+ U# \7 a; T" D' L3 b8 ]
using it rather frequently, twice a day. The Physicians’/ x J, B1 k+ n, z. y
Desk Reference, or package insert of this product, gel or. E+ G5 c* t3 z4 W+ \$ \
cream, cautions about dermal testosterone transfer to; J' A7 ~/ k* `6 \# I' f
unprotected females through direct skin exposure.
4 P7 j' R6 ^4 f: x& k: `Serum testosterone level was found to be 2 times the* ]0 C6 e5 w3 z
baseline value in those females who were exposed to" A2 Q- ]; d3 l+ m7 ]; r
even 15 minutes of direct skin contact with their male+ K6 v9 t: l1 Y4 S( b
partners.6 However, when a shirt covered the applica-
6 Y0 [" `- G/ b A" Q4 d8 ztion site, this testosterone transfer was prevented.5 E: U! M: B2 v4 h5 i0 p! ]: W7 [
Our patient’s testosterone level was 60 ng/mL,* W; m/ q! W$ ]6 \8 k7 Z* i: F+ W
which was clearly high. Some studies suggest that
! b, j7 t+ H( L/ q; x4 sdermal conversion of testosterone to dihydrotestos-( v/ [' @ X( q& z2 o K
terone, which is a more potent metabolite, is more
7 F4 w8 d7 M0 P1 iactive in young children exposed to testosterone2 Y2 s. P7 H$ Z1 f3 m/ d7 c
exogenously7; however, we did not measure a dihy-
7 T- {" N# t2 {% c5 }. Ddrotestosterone level in our patient. In addition to
$ {6 Q0 r" ^8 j$ nvirilization, exposure to exogenous testosterone in0 [% l% i8 C; d; ? p
children results in an increase in growth velocity and
% q0 \. b( J z! N; A4 t$ nadvanced bone age, as seen in our patient.2 D- ~: [& R+ X4 x" z$ Q+ F
The long-term effect of androgen exposure during
" K T$ C4 ]% W7 l* nearly childhood on pubertal development and final, M2 T+ y& Z' x n
adult height are not fully known and always remain
# N: Z' ~) C) g9 G; R' l1 D! Qa concern. Children treated with short-term testos-+ u0 @8 \2 Q! K0 ~8 L
terone injection or topical androgen may exhibit some- z2 c, s3 G% b% s. z! {
acceleration of the skeletal maturation; however, after
' G+ y% A# N0 _8 Ycessation of treatment, the rate of bone maturation
5 O& r. W3 x4 P5 pdecelerates and gradually returns to normal.8,9. C" V# O# Y5 i
There are conflicting reports and controversy
- {" O- F5 ?$ d& g, U3 ^5 E0 |over the effect of early androgen exposure on adult
6 O2 v! V! z+ @% {% ^8 A- npenile length.10,11 Some reports suggest subnormal: {" c* Q2 |1 o6 R
adult penile length, apparently because of downreg-
; _+ m$ x( y* v, Kulation of androgen receptor number.10,12 However,) @# N. B1 A) ~: }+ j; Y4 X3 a
Sutherland et al13 did not find a correlation between2 I; W; |* l( B f( l
childhood testosterone exposure and reduced adult
# y$ Q$ k0 l# P) D9 Kpenile length in clinical studies.
) L/ {5 T) h* |9 eNonetheless, we do not believe our patient is/ Q9 \- U) e. q k; q8 {
going to experience any of the untoward effects from r" P, H- l/ R# n- W3 p" z
testosterone exposure as mentioned earlier because
8 j$ \ ?4 G8 S' N! w" Nthe exposure was not for a prolonged period of time.! t% c( k) @9 b3 t
Although the bone age was advanced at the time of. R+ Q8 k! Y. u9 R) B
diagnosis, the child had a normal growth velocity at
* T' P( ?* K" A/ U3 R9 B. E7 ^/ Bthe follow-up visit. It is hoped that his final adult: z# g" u+ H& X7 i- `! z# {2 a8 K
height will not be affected.8 q8 p/ D/ e! W; n' r0 A
Although rarely reported, the widespread avail-8 d2 h5 Q2 P6 M2 [$ o# \: Q6 s1 k. y
ability of androgen products in our society may
/ t+ X U5 d+ F, q, N) `& Cindeed cause more virilization in male or female
|6 p; m$ F4 P8 B( bchildren than one would realize. Exposure to andro-
/ b3 S$ f) z7 a( K5 C5 Fgen products must be considered and specific ques-
( ^- o+ l0 H# Y& T9 p% [; M& F: |8 w' jtioning about the use of a testosterone product or, w ]% ]/ W8 {2 r
gel should be asked of the family members during
; f# P; u1 u9 g& Y. h' ?- Dthe evaluation of any children who present with vir-
2 Q* a+ r* f1 e7 Vilization or peripheral precocious puberty. The diag-
0 P& W; z7 M3 f* H& o) ~5 T: d; w7 xnosis can be established by just a few tests and by' Q: q- ]) G; ~$ ]
appropriate history. The inability to obtain such a
: n2 ^- o4 j+ c8 ihistory, or failure to ask the specific questions, may. `1 [/ \& K, a0 i) r" [+ g
result in extensive, unnecessary, and expensive
" `2 {% V5 {( l. Q0 dinvestigation. The primary care physician should be" c. Y/ i% d v8 Q+ `
aware of this fact, because most of these children* ]5 m: I9 {/ ~1 h& j. r+ f
may initially present in their practice. The Physicians’
5 L* a% q0 P# }* z. m7 iDesk Reference and package insert should also put a
; I' i; I6 d# g0 z3 {! l- ]4 b9 Ywarning about the virilizing effect on a male or/ D6 Y' @' F5 A, c' n% Y9 n. F
female child who might come in contact with some-
0 s3 }2 u4 F+ W1 Yone using any of these products.; S' Y+ v# e: M* i, L
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2002: 565-628.
2 K2 n. V- T9 M7 J2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
4 G# t! T$ `+ k& K5 }2 t+ B; b: `0 Tpuberty in children with tumours of the suprasellar pineal
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" f" g# i! d* ~6 Udevelopment in a two-year-old boy induced by topical
2 o6 H: H0 S( w- U/ Q4 N5 c0 J" {" kexposure to testosterone. Pediatrics. 1999;104:e23.# Z0 W8 F% _/ @. Z$ H
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) S$ C$ O. L$ P; U0 c7 Z( ^6. Physicians’ Desk Reference. Androgel 1% testosterone,
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Economics Company, Inc; 2004:3239-3241.
5 f# Y0 W( L! e2 g+ v7. Klugo RC, Cerny JC. Response of micropenis to topical9 c0 v; h( W- i. [( @
testosterone and gonadotropin. J Urol. 1978;119:% A; |) i" h. M! d% Q+ i% d
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