A rare initial presentation of giant pheochromocytoma: a case report of acute pulmonary embolism complicated by catecholamine-induced cardiomyopathy
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Pheochromocytoma is a rare neuroendocrine tumor characterized by excessive catecholamine secretion, typically presenting with hypertension, headache, palpitations, and sweating. Giant pheochromocytomas (commonly defined as tumors with diameter >4-6cm) are even... ...
