3 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Gout - Uric Acid Crystals ... “Pseudogout” - Calcium ... Pyrophosphate Dihydrate Crystals ... #msk #Differential
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
(HADD) - MSK Radiology ... consistent with Calcium ... adjacent to the Calcium ... pathology due to crystal ... other systemic disorders
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
polarized light microscopy ... intracellular urate crystals ... (gout) or calcium ... metabolic or endocrine disorders ... • Serum and urine