199 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... Lumbar Spine and SI Joints ... Molecular Mimicry” • Psoriatic ... skin disorder psoriasis ... @AmyChung #Joint
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Approach to Joint ... 3) Number of Joints ... weight-bearing joints ... Number of Joints ... Chronic = RA, SLE, psoriatic
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Oligoarticular (1-4 joints ... ) • Gout • Psoriatic ... POLYARTICULAR (>4 joints ... • Asymmetric (Psoriatic
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
tissue swelling (best ... together) • Joint ... closer to the joints ... (Joint deformities ... Best visualized
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Plaques • Psoriasis ... arthritis • Psoriatic ... #dermatology #joint
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
the DIP and PIP joints ... the PIP and MCP joints ... but not the DIP joints ... neck deformity Psoriatic ... Sarcoidosis • Psoriatic
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Diagnosis Algorithm 4 tests ... for the AC joint ... after cross-arm test
Gout: Pathogenesis and Clinical Findings
 - Conditions of rapid cell turnover: hemolysis, psoriasis, lymphoproliferative disorders
 -
turnover: hemolysis, psoriasis ... easily leaks into joints ... in a peripheral joint ... Neutrophils enter joint ... degradative enzymes into joint
Representative X-ray appearance of a primary benign bone tumor - Aneurysmal Bone Cyst 
 • Soft
tissue swelling (best ... together) • Joint ... closer to the joints ... (Joint deformities ... Best visualized
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
disorder of bone, joint ... inflammation of the joints ... pustulosis, pustular psoriasis ... , psoriasis vulgaris ... blockers had the best