1 MCQs in Pathology for NEET PG
A 45-year-old man with a 3-year history of episodic headaches, profuse sweating, and palpitations is found to have a 4 cm left adrenal mass on CT. Biochemical testing confirms elevated plasma free metanephrines and 24-hour urinary catecholamines. A histopathology specimen from the surgical specimen shows the characteristic pattern marked **A** in the diagram — nests of polygonal cells separated by a delicate vascular network and supportive cells. Which of the following immunohistochemical findings would be most consistent with the diagnostic profile of this tumor?
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