We present a case of primary cutaneous anaplastic large cell lymphoma manifesting with widespread erythema around an ulcer. Skin biopsy from the ulcer showed CD30-positive atypical lymphocytes throughout the dermis, and immunostaining demonstrated that these cells produced vascular endothelial growth factor, a potent stimulus for angiogenesis. Skin biopsy from the erythema revealed rich neovascularization, which was probably associated with vascular endothelial growth factor.
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