Post-traumatic granuloma

Case contributed by Mark Holland
Diagnosis almost certain

Presentation

Present to GP with persistent mass in the anteromedial soft tissue of the left lower leg. Previous fall with extensive bruising in the area 3 months ago. Clinically firm mass over the tibia and very slight cutaneous discolouration. ? hematoma.

Patient Data

Age: 55 years
Gender: Female
ultrasound

Ultrasound shows a pretibial irregular solid subcutaneous mass with peripheral vascularity. No hematoma seen.

Case Discussion

A core biopsy was performed to excluded malignancy and a histology returned was a granuloma annulare. This has been interpreted as a post traumatic granuloma.

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