Primary perivascular epithelioid cell tumor of the liver not related to hepatic ligaments: hepatic PEComa as an emerging entity

Zimmermann, A; von der Brelie, C; Berger, B; Kappeler, A; Candinas, D (2008). Primary perivascular epithelioid cell tumor of the liver not related to hepatic ligaments: hepatic PEComa as an emerging entity. Histology and histopathology, 23(10), pp. 1185-93. Murcia: Gutenberg

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Primary perivascular epithelioid cell tumor (PEComa) of the liver is a very rare example of an emerging family of hepatic PEC tumors. Only few cases have been described so far. We report the case of a large but benign hepatic PEComa in a 53-year-old man without signs of tuberous sclerosis. In contrast to recently described PEC-derived liver tumors in children and young adults, this neoplasm was not related to the hepatic ligaments but had developed deeply within the liver substance. The neoplastic cells displayed the complete phenotype typical for PEComas, i.e. reactivity for several melanoma markers and for smooth muscle actin. The unique relationship of myoid tumor cells to the adventitia of blood vessels prompted us, in comparison with published findings obtained with angiomyolipomas, to comment on the possible origin of the still enigmatic perivascular epithelioid cells.

Item Type:	Journal Article (Further Contribution)
Division/Institute:	04 Faculty of Medicine > Service Sector > Institute of Pathology 04 Faculty of Medicine > Department of Gastro-intestinal, Liver and Lung Disorders (DMLL) > Clinic of Visceral Surgery and Medicine > Visceral Surgery
UniBE Contributor:	Zimmermann, Arthur, Berger, Barbara (A), Kappeler, Andreas, Candinas, Daniel
ISSN:	0213-3911
ISBN:	18712670
Publisher:	Gutenberg
Language:	English
Submitter:	Factscience Import
Date Deposited:	04 Oct 2013 15:02
Last Modified:	29 Mar 2023 23:33
PubMed ID:	18712670
Web of Science ID:	000258063300003
URI:	https://boris.unibe.ch/id/eprint/26901 (FactScience: 96359)