12 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... - SLE - Behcet ... - Giant cell tumor ... #differential #diagnosis ... #msk #physicalexam
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
Diagram of different types of bone tumors that can occur around the knee on XRay -
occur around the knee ... Myeloma - punched out ... blade of grass sign ... Diagnosis #Bony ... Radiology #XRay #msk
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
meningitis), MCC CNS symptoms ... in Behcet syndrome ... interferon alfa, or tumor ... #management #signs ... #symptoms #rheumatology
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
occur around the knee ... Myeloma - punched out ... blade of grass sign ... #Differential #Diagnosis ... Radiology #XRay #MSK
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
be made, rule out ... intervertebral disc disease ... Straight Leg Raise Test ... MeralgiaParesthetica #MSK ... #signs #symptoms
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... axial (spine, shoulders ... noninflammatory Signs ... constitutional symptoms ... #MSK #rheumatology
Chondrocalcinosis: Calcium Pyrophosphate Dihydrate (CPPD) Deposition Disease

 - Acute CPPD precipitation into the joint space ->
(especially in knees ... polyarticular arthritis ... ) (tends to be out ... #Signs #Symptoms ... Pathophysiology #Diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
VASCULITIS: • Behçet ... Presentation - Systemic Symptoms ... purpura: strong sign ... Vessels: Supply gut ... retinopathy Lab Tests
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... purpura: Strong sign ... proximal muscles of shoulder ... • Progressive symptoms ... vasculitis • Behcet