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Question 129 / 280
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CLINICALPATHOLOGY-94
URINARY 5-HIAA (5-hydroxyindoleacetic acid) is a tumor marker in urine used to diagnose which condition?
A. Pheochromocytoma
B. CARCINOID TUMOR (functioning carcinoid syndrome with liver metastases) — serotonin metabolite
C. Medullary thyroid carcinoma
D. VIPoma
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