Synovial sarcoma

Case contributed by Jeremy Jones
Diagnosis almost certain

Presentation

Lump.

Patient Data

Age: 11 years
Gender: Male
ultrasound

There is an ovoid lesion in the posteromedial thigh. It is hypoechoic with posterior acoustic enhancement, an echogenic linear stripe centrally and a well defined margin.

mri

The ovoid lesion demonstrated on the ultrasound is situated in the subcutaneous fat, is low-T1, high-T2 and demonstrates avid contrast enhancement.

Case Discussion

Histological confirmation of synovial sarcoma following excision biopsy.

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