dr.shar Forum Elite
Topics: 38 Posts: 236
| | 05/31/04 - 03:54 AM  
 
   
 
|   #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
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| mingle Forum Senior
Topics: 27 Posts: 109
| | 05/31/04 - 07:37 AM  
 
   
 
|   #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?
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| mingle Forum Senior
Topics: 27 Posts: 109
| | 05/31/04 - 07:38 AM  
 
   
 
|   #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?
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| dr.shar Forum Elite
Topics: 38 Posts: 236
| | 05/31/04 - 11:08 AM  
 
   
 
|   #4 |
correct ans is C Leydig cell tumor
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