Graft-versus-host disease-associated angiomatosis: a clinicopathologically distinct entity.

J Am Acad Dermatol 2014 Oct 1;71(4):745-53. Epub 2014 Jul 1.

Dermatology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland.

Background: Chronic graft-versus-host disease (GVHD) may present with various cutaneous manifestations. Isolated case reports describe eruptive angiomas in this setting.

Objective: We sought to provide a clinical and pathologic description of vascular proliferations in patients with GVHD.

Methods: Cases of documented GVHD associated with vascular proliferations were collected from the National Institutes of Health, Ohio State University, and MD Anderson Cancer Center.

Results: Eleven patients with a diagnosis of GVHD who developed vascular proliferations were identified. All patients manifested sclerotic type chronic GVHD of the skin. Vascular lesions were first documented a median of 44 months after transplantation and occurred primarily on the lower extremities or trunk. Histopathology revealed anastomosing networks of thin-walled vascular proliferations in a vague lobular growth pattern, with overlying epidermal acanthosis, peripheral collarette, ulceration, and disorganized fibroblast-rich and fibrotic stroma. Improvement was noted in 1 patient treated with propranolol and sirolimus and 1 patient with electrocautery.

Limitations: Given the retrospective nature of the study, the overall incidence of vascular lesions in patients with GVHD is unknown. Histopathology was present for review on only 3 of 11 patients.

Conclusion: The phenomenon of vascular lesions appears to be relatively specific for sclerotic type chronic GVHD when compared with other fibrosing diseases. We propose the term "graft-versus-host disease-associated angiomatosis" to describe this entity.

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Source
http://dx.doi.org/10.1016/j.jaad.2014.05.034DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4165782PMC
October 2014
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