ArticleCureus2025
Cavernous Hemangioma of the Anal Canal Mimicking a Neoplasm: A Rare Cause of Lower Gastrointestinal Bleeding Successfully Treated With Transanal Excision.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
Cavernous hemangiomas of the anal canal are exceptionally rare vascular malformations that may present with chronic rectal bleeding and are often misdiagnosed as hemorrhoids or neoplastic lesions. We report the case of a 75-year-old female patient with a one-year history of painless rectal bleeding and a soft polypoid lesion located 2 cm from the anal verge, within the anterior wall of the anal canal. Magnetic resonance imaging (MRI) revealed a hyperintense pseudonodular lesion consistent with a vascular malformation. Histopathological examination after biopsy confirmed the diagnosis of cavernous hemangioma. Definitive treatment was achieved through transanal full-thickness excision, with complete resolution of symptoms and no recurrence at the three-month follow-up. This case highlights the importance of including vascular lesions in the differential diagnosis of anorectal bleeding and illustrates the utility of MRI and organ-preserving surgery in the management of anal canal hemangiomas.
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