fox
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a 25y man, multiple small nodules on his lips. exam he has a marfanoid habitus. Bx one of these nodules shows a mucosal neuroma. which screening test is indicated?
A. pentagastrin-stimulated calcitonin;
B. serum gastrin;
C serum insulin;
D.serum parathyroid hormone;
E. serum vasoactive intestinal peptide.
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| vallia
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A
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| sataleees
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A
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| hari.v
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????? explns pleez!!.........
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| NE
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The patient looks like MEN2B syndrome and you have to find if he has medullary cell carcinoma (C cell derivative cancer) as well.The pentagastrin-stimulated calcitonin is the test of choice in this case.
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| Ig F
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exactly.....this pt seems to hv MEN 2b variant..which comprises of pheochromocytoma,medullary carcinoma,neuromas involving lips,marfinoid body habitus....since medullary ca arises from parafollicular cells which releases calcitonIn..thtz y we ll order pentagastrin stimulated calcitonin....corect answer is A
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