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Tumor Surgery Network

Synovial Chrondromatosis

by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Benign Synovial, Tumor Classification

Synovial chondromatosis is an uncommon, benign, process that occurs in large joints, such as the knee (50%), hip, elbow, or shoulder. This process mainly affects synovium and hence most commonly arises from joints and tendons which are lined by synovium. Synovial...

Pigmented Villonodular Synovitis (PVNS)

by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Benign Synovial, Tumor Classification

GENERAL INFORMATION Pigmented villonodular synovitis (PVNS) is described as a benign villous or nodular proliferation of synovium. Pigmented villonodular synovitis occurs commonly in the third and fourth decades of life. Also known as diffuse tenosynovial giant cell...

Extraskeletal Chondrosarcoma

by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Benign Synovial, Malignant Chondroid, Malignant Extraskeletal Osseous, Soft Tissue

GENERAL INFORMATION Extraskeletal chondrosarcoma is a rare cancerous soft tissue tumor. It is a cartilaginous producing spindle cell tumor (sarcoma) that occurs in the soft tissues as opposed to the more typical site in bone.  Represents up to 2% of all soft...

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The information on this site reflects Dr Wittig’s opinion and is meant solely for educational purposes for patients, doctors and other healthcare providers and is not meant to provide or render any medical opinion, advise or diagnosis or treatmentPatients and families can find information and support on Orthopedic Oncologist , also a media platform sponsored by MMG.

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