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嗜铬细胞瘤是分泌儿茶酚胺的嗜铬组织肿瘤,常发生于肾上腺髓质,但也可发生于任何嗜铬组织,如腹腔内、肠系膜、肾、肾上腺、下腹部、睾丸和椎旁交感神经丛,但90%嗜铬细胞瘤是在肾上腺髓质。肾上腺以外的多发嗜铬细胞瘤多见于儿童约占35%,而成人仅8%,嗜铬细胞瘤还含有脑啡肽、生长激素抑制素、降钙素、催产素以及加压素等肽类。这类病人往往在年轻时即有高血压,
Pheochromocytoma is a pheochromocytoma that secretes catecholamines, which often occurs in the adrenal medulla but can also occur in any chromaffin tissue, such as the intraperitoneal, mesenteric, renal, adrenal gland, lower abdomen, testis, and paravertebral sympathetic plexus. However, 90% of pheochromocytomas are in the adrenal medulla. Multiple pheochromocytoma other than adrenal glands is more common in children, accounting for about 35%, and adults only 8%. Pheochromocytoma also contains peptides such as enkephalin, somatostatin, calcitonin, oxytocin, and vasopressin. . Such patients often have high blood pressure when they are young.