9 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... Crystalline - Gout ... Spine” Fusion of Lumbar ... secondary) • Rheumatoid ... Joint #Disorders #msk
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Effusions: - Gout ... - Pseudo gout ... Effusions: - Hematologic ... #diagnosis #msk
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... Differential diagnosis ... #Gouty #Arthritis ... #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... Crystal induced (Gout ... Joint #pain #Differential ... #Diagnosis #MSK ... #rheumatology #
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
synovial fluid • Gout ... urate crystals (gout ... titer, ACE level, CXR ... ANA and RF (if clinical ... #Arthritis #laboratory
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
bacterial), acute rheumatic ... , gout or pseudogout ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
skin lesions + Rheumatic ... pain Clinical ... nonerosive inflammatory arthritis ... diagnosis • Rule out ... other etiology • Laboratory
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... and fever) and laboratory ... permanent alopecia Differential ... ANCA-associated vasculitis, rheumatoid ... Malignancy (e.g. hematologic
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Sjogren syndrome, rheumatoid ... arthritis, SLE ... Clinical Picture ... life-threatening Differential ... immunologic assay - MuSK