A benign or malignant soft tissue neoplasm arising exclusively from the synovial membrane. Examples include the diffuse giant cell tumor of tendon sheath, localized giant cell tumor of tendon sheath, and malignant giant cell tumor of tendon sheath.
Synonyms:
exact_synonym:
neoplasm of synovial membrane of synovial joint; neoplasm of synovium; neoplasm of the synovium; synovial membrane of synovial joint neoplasm; synovial membrane of synovial joint neoplasm (disease); synovial membrane of synovial joint tumor; synovial membrane of synovial joint tumour; synovial neoplasm; synovial neoplasm (morphologic abnormality); synovial neoplasm NOS (morphologic abnormality); synovial tumor; synovial tumour; tumor of synovial membrane of synovial joint; tumor of synovium; tumor of the synovium; tumour of synovial membrane of synovial joint; tumour of synovium; tumour of the synovium