Nonfunctioning malignant pheochromocytoma associated with dermatomyosftis: Case report and literature review

Chun Nan Yeh*, Long Bin Jeng, Miin Fu Chen, Chien Fu Hung

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

6 Scopus citations

Abstract

A 42-year-old man with dermatomyositis presented with right-upper-quadrant dull pain and normal blood pressure for 10 days. Abdominal ultrasonography, abdominal computed tomography, and angiography revealed a retroperitoneal tumor with direct invasion to the liver and the diaphragm. The diagnosis of nonfunctioning malignant pheochromocytoma was made on the basis of clinical evidence. The tumor was removed en bloc with part of the diaphragm, the right lobe of the liver, the right adrenal gland, and the right kidney. Pathologic examination with immunohistochemical staining revealed a malignant pheochromocytoma growing exophytically from the right adrenal gland and invading the right lobe of the liver and the diaphragm. The postoperative course has been uneventful and no recurrence has been noted over a 6-month follow-up period. is very rare. Indeed, only three cases have been reported, and all involve functioning tumors [7]. Herein we report on a dermatomyositis patient who had a nonfunctioning pheochromocytoma with invasion to the liver, the diaphragm, and the right kidney.

Original languageEnglish
Pages (from-to)148-150
Number of pages3
JournalWorld Journal of Urology
Volume19
Issue number2
DOIs
StatePublished - 2001
Externally publishedYes

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