Synovial hemangiomas of the knee

Case contributed by Roberto Schubert
Diagnosis certain

Presentation

Knee pain, haemarthosis.

Patient Data

Age: 17
Gender: Female

Ectatic synovial and subsynovial vasculature with 2 more circumscript T2-hyperintense lesions in Hoffa's fat pad, lateral to the patellar ligament, and proximal-laterally, beneath the iliotibial band.

Postoperative MRI with Gd

mri

Residual anterolateral hemangioma after arthroscopic resction an laser therapy.

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