Intra-Articular Tenosynovial Giant Cell Tumour of the Knee Mimicking Synovial Sarcoma: A Case Report

The intra-articular form of tenosynovial giant cell tumour is seen as a smooth margined soft tissue tumour which may resemble both benign and malignant pathologies. Clinical and radiologic findings are usually non-specific, and a multidisciplinary approach is important in order to make the right decision for treatment.