Abstract:A 45-year-old woman with poorly controlled hypertension and diabetes mellitus presented with left iliac fossa pain, constipation alternating with diarrhea, and weight loss. She had been diagnosed with idiopathic cardiomyopathy five years previously. Echocardiogram had shown a left ventricular ejection fraction (LVEF) of 35%; coronary angiogram was normal. Colonoscopy revealed…
Abstract:A 48-year-old man presented for evaluation of general weakness. Because he had a history of excessive alcohol use, an abdominal computed tomography scan was obtained, which revealed a left adrenal mass. Hormonal evaluation showed elevated levels of urinary catecholamines. Bilateral hilar lymphadenopathy was detected on a chest radiograph. The suspected…
Rhabdomyolysis is an unusual manifestation of pheochromocytoma. Early diagnosis and prompt management are crucial, as it may have life-threatening consequences. This is the case of a 19-year-old man with bilateral pheochromocytoma complicated with rhabdomyolysis and acute myoglobinuric renal failure after surgery for nephrolithiasis. A massive catecholamine release during the procedure…
Pheochromocytomas are rare neuroendocrine tumors that produce, metabolize, and usually secrete catecholamines. Although hypertension is a common presenting feature of pheochromocytoma, the tumors occur (or are present) in only 0.1% of patients with hypertension. The variability of symptoms and rarity of occurrence render these tumors difficult to diagnose; many are…
Pheochromocytomas are rare chromaffin cell tumors, 90% of which arise from the adrenal glands. Pheochromocytomas presenting with true myocardial infarction are even more rare. We report a 76-year-old man who had a previously undiagnosed pheochromocytoma, and presented with the uncommon complication of myocardial infarction. Our high-risk patient was managed with…
Pheochromocytomas are rare tumors that typically present with catecholamine-stimulated symptoms. Some pheochromocytomas secrete dopamine in addition to or in the absence of other catecholamines. Patients with these tumors are frequently normotensive. We describe a normotensive 26-year-old woman with a large pheochromocytoma that secreted multiple catecholamines, including dopamine.
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