Vanillyl mandelicacid (VMA) increased in
Correct Answer: Pheochromocytoma
Description: (Pheochromocytoma) (798- Basic Robbins 8th)PHEOCHROMOCYTOMA - "Rules of 10s"*** Demonstrating characteristic nests of cells ("Zellballen") with abundant cytoplasm* The definite diagnosis of malignancy in pheochromocytoma is based exclusively on the presence of metastasis*** Diagnosis demonstration of increased excretion of free Catecholamines and their metabolites such as vanillylmandelic acid and metanephrines**
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Pathology
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