Milwaukee shoulder

Milwaukee shoulder refers to a destructive shoulder arthropathy due to deposition of hydroxyapatite crystals, and identification of these crystals in synovial fluid is the cornerstone of diagnosis.

Epidemiology

Milwaukee shoulder frequently affects older women, often with a history of trauma to the region. 

Clinical presentation

Symptoms are usually comparatively mild, despite rapid and marked progression of radiographic features. 

Radiographic features

Radiograph

Radiographic findings are striking and almost resembles a neuropathic joint, with advanced articular surface destruction with intra-articular loose bodies, subchondral sclerosis, soft tissue swelling and rotator cuff disruption. 

MRI

MRI findings mirror those of the plain films and include: 

Treatment and prognosis

No specific treatment is available (i.e. supportive treatment for symptom relief) 3

Differential diagnosis

General imaging differential considerations include


Arthritides
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Article Information:

rID: 1680
System: Musculoskeletal
Section: Syndromes
Tags: shoulder, cases
Synonyms or Alternate Spellings:
  • Milwaukee shoulder (and knee) syndrome
  • Milwaukee shoulder syndrome (MSS)

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