Year: 2026
Type: article
Study design: Case Report
Abstract: Multinucleated cell angiohistiocytoma is a rare benign neoplasm of unknown etiology that progresses slowly.We report the case of a 50-year-old man with erythematous-violaceous papules and plaques on the dorsal aspect of his left hand, which gradually increased in size and evolved into subcutaneous nodules.Histopathological examination revealed a multinucleated cell neoplasm with vascular proliferation, consistent with multinucleated cell angiohistiocytoma.Given the absence of symptoms and benign nature, an active surveillance approach was adopted.This case emphasizes the importance of considering rare skin lesions in differential diagnoses and reinforces the value of multidisciplinary evaluation to avoid unnecessary interventions.
Institution: Unidade Local de Saúde Gaia/Espinho
Language: English
Subfield: Pathology and Forensic Medicine
Field: Medicine
Domain: Health Sciences
Open Access status: diamond
OpenAlex ID: W7130337304
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