DB61 Perianal venous thrombosis

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2026-01

Extremely painful cherry like lesions under the perianal skin containing clotted blood have been attributed to rupture of a blood vessel with haematoma. However, histology confirmed that these lesions are thrombi lying within the thin-walled vessels of the external anal plexus.

inclusions

• Perianal haematoma (nontraumatic)
• perianal thrombosis

postcoordination

synonyms

• Perianal venous thrombosis
• Perianal haematoma (nontraumatic)
• anal thrombosis
• perianal thrombosis
• thrombosed external haemorrhoid
• thrombosed external pile

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