Papillary Hemangiomas and Glomeruloid Hemangiomas Are Distinct Clinicopathological Entities
- 19 September 2008
- journal article
- research article
- Published by SAGE Publications in International Journal of Surgical Pathology
- Vol. 18 (1), 48-54
- https://doi.org/10.1177/1066896908323504
Abstract
The author reviews and compares the clinicopathological features of papillary hemangiomas and glomeruloid hemangiomas, 2 rare, cutaneous intravascular capillary-type vascular lesions with overlapping morphological details. Immunostaining for collagen IV highlighted discriminating features in these lesions. Thin basement membranes and glomeruloid architecture are typical of glomeruloid hemangiomas, whereas papillae with thick mantles of a basement membrane— like matrix enveloping pericytes are prominent in papillary hemangiomas. Thus, collagen IV staining patterns provide further evidence that papillary and glomeruloid hemangiomas represent distinct histopathological entities. This additional technique should allow pathologists to readily distinguish between the lesions and make a proper diagnosis. What is important is that glomeruloid hemangiomas—often presenting in a spectrum of multiple cutaneous vascular lesions, including cherry hemangiomas—are a hallmark of POEMS (acronym for polyneuropathy, oganomegaly, endocrinopathy, monoclonal gammopathy, and skin changes) syndrome and/or multicentric Castleman’s disease, whereas papillary hemangiomas clinically present as innocent solitary cutaneous hemangiomas in otherwise healthy individuals.Keywords
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