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po
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07/20/07 - 10:52 AM             #1

A 50-year-old man has felt vague abdominal discomfort for the past 4 months. On physical examination he has no lymphadenopathy, and no abdominal masses or organomegaly can be palpated. Bowel sounds are present. An abdominal CT scan shows a 20 cm retroperitoneal soft tissue mass obscuring the left psoas muscle. A stool specimen tested for occult blood is negative. Which of the following neoplasms is this man most likely to have?

A Melanoma

B Hamartoma

C Adenocarcinoma

D Lymphoma

E Liposarcoma

SmokyWaters
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07/20/07 - 11:11 AM             #2

C

new_n_lost
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07/20/07 - 11:24 AM             #3

E Liposarcoma


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SmokyWaters
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07/20/07 - 11:59 AM             #4

how do you say its a liposarcoma?

pancreatic adenocarcinoma has a higher incidence than liposarcoma and it can present as the findings told above... :$

bioguy
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07/20/07 - 12:10 PM             #5

i am guessing pancreatic adenocarcinoma would have more symptoms than just vague abdominal discomfort!raised eyebrow

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po
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07/20/07 - 12:16 PM             #6

new_n_lost wrote:
E Liposarcoma

nod
Adenocarcinomas do not arise in soft tissues. Sarcomas arise in soft tissues
Sarcomas are big and bad. Retroperitoneum is a typical location.

SmokyWaters
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07/20/07 - 12:40 PM             #7

oh 20 CM SOFT TISSUE MASSS>....need to read this people :P

sorry buddy.. you were right... smiling face

SmokyWaters
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07/20/07 - 12:41 PM             #8

cool

SmokyWaters
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07/20/07 - 12:41 PM             #9

pancreatic CA cant be 20 cm and VAGUE :P







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