Sarcoidosis (musculoskeletal manifestations)

Changed by Henry Knipe, 21 Oct 2014

Updates to Article Attributes

Body was changed:

Musculoskeletal manifestations of sarcoidosis occur in 4 to 38~20% (range 4-38%) of patients with sarcoidosis, and include joint involvement, bone lesions, and muscular disease. Approximately 25% of patients with sarcoidosis have associated arthropathy. 

Pathology

  • joints: - joint involvement in sarcoidosis
    • radiographically identifiable pathology is rare
    • can be acute occurring isolated or as part of the Löfgren syndrome
    • less commonly chronic arthritis presenting as non-deforming granulomatous synovitis or deforming non-erosive arthritis (Jacoud's deformity)
    • dactylitis and/or tenosynovitis
    • commonest joints to be involved the ankles, knees, elbows, and wrists
  • muscles - muscle involvement in sarcoidosis
    • muscles involvement occurs around 50-80%, but symptomatic in only 0.5-2.5%, mostly when the diaphragm or extra-ocular muscles are involved
    • can be chronic proximal myopathy or less commonly acute mimicking polymyositis
    • nodular pattern myopathy manifest as single or multiple painful nodules
  • bones:- skeletal sarcoidosis​  
    • hands are mainly affected
    • lace-like patternof bone destruction in metaphysis, cystic  bone lesions with well defined margins and lytic bone lesions with periosteal reaction 
    • remodelling of the cortex of phalanges, in which the concave shaft is converted into a tubular structure
    • sclerotic bone lesions
    • osteopenia osteoapenia/osteoporosis
  • -<p><strong>Musculoskeletal manifestations of sarcoidosis</strong> occur in 4 to 38% of patients with <a href="/articles/sarcoidosis-1">sarcoidosis</a>, and include joint involvement, bone lesions, and muscular disease. Approximately 25% of patients with sarcoidosis have associated arthropathy. </p><h4>Pathology</h4><ul>
  • +<p><strong>Musculoskeletal manifestations of sarcoidosis</strong> occur in ~20% (range 4-38%) of patients with <a href="/articles/sarcoidosis-1">sarcoidosis</a>, and include joint involvement, bone lesions, and muscular disease. Approximately 25% of patients with sarcoidosis have associated arthropathy. </p><h4>Pathology</h4><ul>
  • -<strong>joints </strong>- <a href="/articles/joint-involvement-in-sarcoidosis">joint involvement in sarcoidosis</a><ul>
  • +<strong>joints:</strong> <a href="/articles/joint-involvement-in-sarcoidosis">joint involvement in sarcoidosis</a><ul>
  • -<strong>muscles</strong> - <a href="/articles/muscle-involvement-in-sarcoidosis">muscle involvement in sarcoidosis</a><ul>
  • +<strong>muscles: </strong><a href="/articles/muscle-involvement-in-sarcoidosis">muscle involvement in sarcoidosis</a><ul>
  • -<strong>bones </strong>- <a href="/articles/skeletal-sarcoidosis">skeletal sarcoidosis</a>​  <ul>
  • +<strong>bones:</strong> <a href="/articles/skeletal-sarcoidosis">skeletal sarcoidosis</a>​  <ul>
  • -<li>
  • -<strong>lace-like pattern </strong>of bone destruction in metaphysis, cystic  bone lesions with well defined margins and lytic bone lesions with periosteal reaction </li>
  • -<li>remodelling of the cortex of phalanges, in which the concave shaft is converted into a tubular structure. </li>
  • +<li>lace-like pattern<strong> </strong>of bone destruction in metaphysis, cystic  bone lesions with well defined margins and lytic bone lesions with periosteal reaction </li>
  • +<li>remodelling of the cortex of phalanges, in which the concave shaft is converted into a tubular structure</li>
  • -<li>osteopenia / osteoporosis</li>
  • +<li>
  • +<a title="osteoapaenia" href="/articles/osteoapaenia">osteoapenia</a>/<a title="Osteoporosis" href="/articles/osteoporosis-3">osteoporosis</a>
  • +</li>

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