Sarcoidosis -

A disease of unknown cause characterised by non-caseating granulomata
can affect any organ at ant age but most commonly affects the chest in young adults
- bilateral hilar lympadenopathy
cough, fever, arthralgia, malaise, erythema nodosum
also affects
- skin – rash
- eyes – uveitis
- heart
- CNS
- Renal
- musculoskeletal system
Two Musculoskeletal Forms:
- Symmetrical Small Joint Polyarthropathy without Bony Involvement
  - Erythema Nodosum
  - Hilar lymphadenopathy
- Chronic Granulomatosis Bony Involvement
  - Polyarthritis
  - Tenosynovitis
  - Punched out lucent bony “cyst”
  - Especially hand & feet