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Author4 Posts
  #1

A 32-year-old has noted bilateral breast enlargement over the past 7 months. On physical examination there is bilateral gynecomastia without tenderness or masses. His external genitalia appear normal. An ultrasound scan reveals a 1 cm solid mass within the body of the right testis. Laboratory studies show a serum testosterone of 550 ng/dL and estradiol of 36 pg/mL. His serum alpha-fetoprotein is 9 ng/mL and HCG non-detectable. Which of the following neoplasms is this man most likely to have?

A Choriocarcinoma

B Embryonal carcinoma

C Leydig cell tumor

D Seminoma

E Yolk sac tumor

  #2

choriocarcinoma...hmmm probably won;t live for 7mths yolk sac usu in children seminoma has hcg if leydig testosterone should be the main effect & not feminization...hmmmm ans is choriocarcinoma?

  #3

choriocarcinoma...hmmm probably won;t live for 7mths yolk sac usu in children seminoma has hcg if leydig testosterone should be the main effect & not feminization...hmmmm ans is embryonal carcinoma?

  #4

correct ans is

C Leydig cell tumor







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