15 results
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Sicca) Syndrome ... polyangiitis (GPA)/microscopic ... Arthritis #Inflammatory ... #JointPain #MSK
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... #Joint #Pain #MSK ... rheumatology #approach #workup ... #differential # ... diagnosis #arthritis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... - (Reiter’s syndrome ... psoriasis (7-30%) • Inflammatory ... #Disorders #msk ... #Differential #
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Enthesitis: • Site of pathology ... #Pain #MSK #rheumatology ... #approach #workup ... #differential # ... diagnosis #arthritis
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
) - MSK Radiology ... Differential diagnosis ... : • Inflammatory ... diffuse chondral disease ... #Radiology #diagnosis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Diagnosis Framework ... Fever/Chills/Joint ... - Inflammatory ... #diagnosis #msk
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Using fluorescence microscopy ... likely it will be clinically ... Drug-Induced, Inflammatory ... #rheumatology #diagnosis ... #differential
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
- MSK Radiology ... Differential diagnosis ... : • Inflammatory ... Arthritis: Often ... #Radiology #diagnosis
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... polarized light microscopy ... ANA and RF (if clinical ... #laboratory #workup ... #diagnosis #testing
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Diagnosis Framework ... PR3-ANCA): • Microscopic ... vesicular eruption - Joints ... : - Ocular inflammatory ... Dx: GPA, EGPA, microscopic