Reference Work Entry

Encyclopedia of Diagnostic Imaging

pp 1641-1641

Sarcoid Arthropathy

There are three patterns of sarcoidosis joint involvement–Löfgren's syndrome, and early and late patterns of sarcoidosis arthropathy. Löfgren's syndrome is characterized by arthralgias, erythema nodosum and bilateral hilar lymphadenopathy. The early sarcoidal arthropathy pattern is manifested by polyarticular involvement of the distal extremities. The late manifestation of sarcoid arthropathy (6 months or more after sarcoidosis diagnosis) is a granulomatous synovitis. The diagnosis of sarcoidosis arthropathy is usually based on clinical presentation rather than imaging.

Sarcoidosis, Musculoskeletal System

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