clinical_features_of_pheochromocytoma_for_intranet

clinical_features_of_pheochromocytoma_for_intranet -...

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Endocrinology Module L 22 Endocrinology Module L 22 Presented by Prof. M.Y. Jan Presented by Prof. M.Y. Jan
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Pheochromocytoma is a rare catecholamine-secreting tumor derived from chromaffin cells. Tumors that arise outside the adrenal gland are termed extra-adrenal pheochromocytomas
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excessive catecholamine secretion in pheochromocytomas may precipitate life-threatening hypertension or cardiac arrhythmias
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Race ….. all races, although they are diagnosed less frequently in blacks. Sex ….. equal frequency in males and females. Age ….. any age. The peak incidence, however, is between the third and the fifth decades of life. Approximately 10% occur in children. In children, 50% of pheochromocytomas are solitary intra-adrenal, 25% are present bilaterally, and 25% are extra-adrenal
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History classic history of a patient with a pheochromocytoma includes spells characterized by headaches, palpitations, and diaphoresis in association with severe hypertension
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The clinical manifestations of a pheochromocytoma result from excessive catecholamine secretion by the tumor.
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