ICD-11 classes
13 Diseases of the digestive system
Diseases of anal canal
Haemorrhoids or perianal venous conditions
DB61 — Perianal venous thrombosis
ICD-11 DB61 — Perianal venous thrombosis
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.
It includes 2 items.
- perianal thrombosis
- Perianal haematoma (nontraumatic)
The diagnosis excludes nothing.
It has no clarifying diagnoses.