31 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... pain/Night sweats ... Infection - Systemic ... #diagnosis #msk
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... lesions Abdominal pain ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Malar rash 40% - Fever ... (aPL) 30-45% Differential ... autoantibodies #signs ... #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
is the main clinical ... ALT ↑ bilirubin level ... Activation #Syndrome #Diagnosis ... #Management #Hematology ... #Rheumatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Still's Disease Clinical ... triad: Fever, Arthralgia ... fraction < 20% Differential ... solid cancers • Systemic ... management #treatment #rheumatology
Pes Anserine Bursitis - MSK Radiology
Imaging Findings:
 • T2-hyperintense fluid-like signal along the medial aspect of
Anserine Bursitis - MSK ... ; below the level ... Differential diagnosis ... similar location of pain ... #diagnosis #msk
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Arthritis Differential ... Diagnosis Framework ... noninflammatory Signs ... Diagnosis #MSK # ... rheumatology #Monoarticular
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Alcohol-induced pain ... : Pain in involved ... Diagnosis of B-Symptoms ... #differential # ... hematology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint Pain ... Neurologic system ... conditions #joint #pain ... #differential # ... diagnosis #rheumatology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gouty Arthritis) - MSK ... mass and NO prior signs ... - **MSK rads ... Differential diagnosis ... #msk #rheumatology