Article
Adrenal and extra-adrenal nonfunctioning composite pheochromocytoma/paraganglioma with immunohistochemical ectopic hormone expression: comparison of two cases.
Urologia internationalis - 1 Jan 2010
Gong Jing, Wang Xinxin, Chen Xueqin, Chen Ni, Huang Rui, Lu Changli, Chen Daiyun, Zeng Hao, Zhou Qiao
Abstract excerpt
Adrenal composite pheochromocytoma is rare, most of which is functional, and extra-adrenal composite paraganglioma is extremely rare. We describe and compare the clinicopathological and immunohistochemical features of a retroperitoneal extra-adrenal composite paraganglioma and an adrenal composite pheochromocytoma. Both tumors were nonfunctioning and laboratory tests revealed no biochemical abnormalities. Both...
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