95 results
Gout: Pathogenesis and Clinical Findings
 - Conditions of rapid cell turnover: hemolysis, psoriasis, lymphoproliferative disorders
 -
Pathogenesis and Clinical ... easily leaks into joints ... in a peripheral joint ... phagocytose the crystal ... Needle-shaped uric acid crystals
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Differential Diagnosis Algorithm ... 4 tests for the ... AC joint: 1. ... after cross-arm test ... Differential #Diagnosis #Algorithm
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... Differential Diagnosis Algorithm ... Gout - Uric Acid Crystals ... Pyrophosphate Dihydrate Crystals ... Differential #Diagnosis #Algorithm
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
tissue swelling (best ... together) • Joint ... (Joint deformities ... Best visualized ... Diagnosis #Radiology #Clinical
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... present both at rest ... improves quickly with rest ... inflammatory arthritides Crystal ... ochronosis and crystal
These are oxalate crystals, which look like little envelopes (or tetrahedrons, depending upon your point of
These are oxalate crystals ... depending upon your point ... Oxalate crystals ... #Clinical #Path ... Microscopy #Oxalate #Crystals
Synovial Fluid Analysis:

Findings (COLOR	TRANSPARENCY	VISCOSITY	WBC COUNT (PER MM3)	PMN CELL COUNT (%)	GRAM STAIN	CULTURE	PCR TEST	CRYSTALS)

By Condition (Normal 
Noninflammatory 
Inflammatory:
STAIN CULTURE PCR TEST ... CRYSTALS) By ... Arthrocentesis #Joint
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
intracellular urate crystals ... pyrophosphate dihydrate crystals ... of the affected joint ... • Sacroiliac joint ... ANA and RF (if clinical
Representative X-ray appearance of a primary benign bone tumor - Aneurysmal Bone Cyst 
 • Soft
tissue swelling (best ... together) • Joint ... (Joint deformities ... Best visualized ... ShoulderXRay #Radiology #Clinical
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
pathogenesis and clinical ... dihydrate (CPPD) crystals ... from joints is ... x-ray - CPPD Crystals ... warm, swollen joint