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