ICD-11 classes
15 Diseases of the musculoskeletal system or connective...
Arthropathies
Inflammatory arthropathies
FA27 — Certain specified inflammatory arthropathies
FA27.1 — Pigmented villonodular synovitis

ICD-11 FA27.1 — Pigmented villonodular synovitis

This condition is characterised by outgrowths of synovial membrane composed of villi and fibrous nodules and is histologically characterised by hemosiderin- and lipid-containing macrophages and multinucleated giant cells. It usually occurs in the knee and hip, and is often diagnosed by Magnetic Resonance Imaging.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.