Post-traumatic fat necrosis of anterior abdominal wall

Case contributed by Vasant Rathod
Diagnosis almost certain

Presentation

Painless palpable lump (developing after trauma) in anterior abdominal wall for three years.

Patient Data

Age: 50 years
Gender: Female

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

CT scan shows a well-defined focal area of increased fat attenuation in the subcutaneous plane of the anterior abdominal wall at the site of a palpable lump. The lesion shows a peripheral capsule of soft tissue density. The capsule shows contrast enhancement.

Case Discussion

Post-traumatic fat necrosis is a benign condition developing due to necrosis of subcutaneous fat by traumatic inflammatory process followed by healing by fibrosis with formation of peripheral fibrous capsule encasing the central core of liquid fat. Fibrous capsule may show calcification.

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