11 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... - Pseudo gout ... - SLE - Behcet ... - Aneurysmal bone ... #msk #physicalexam
Diagram of different types of bone tumors that can occur around the knee on XRay -
Myeloma - punched out ... blade of grass sign ... #Bone #Tumors # ... Diagnosis #Bony ... Radiology #XRay #msk
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
occur around the knee ... blade of grass sign ... #Bone #Tumors # ... #Diagnosis #Radiology ... #XRay #MSK #pediatrics
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... mass and NO prior signs ... • This case should ... PVNS/Giant Cell Tumor ... #Gouty #Arthritis
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
in Behcet syndrome ... Positive pathergy test ... is a skin prick test ... interferon alfa, or tumor ... #management #signs
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... axial (spine, shoulders ... noninflammatory Signs ... Crystal induced (Gout ... #MSK #rheumatology
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
- Differential Diagnosis ... • Behcet disease ... • Behcet's syndrome ... Hyper-IgD syndrome • Tumor ... Brucellosis Faget's Sign
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
Gout - Diagnosis ... forefoot, ankles, knees ... double contour sign ... overhanging cortical bone ... +Radiographic signs
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... VASCULITIS: • Behçet ... purpura: strong sign ... Vessels: Supply gut ... retinopathy Lab Tests
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
• Bilateral signs ... Enhancement - TM and tumor ... NMO-IgG (anti-AQP4) should ... negative, MOG-IgG test ... should be ordered