22 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Effusions - Septic Arthritis ... : - Reactive arthritis ... Effusions #causes #differential ... #diagnosis #msk
Septic Arthritis: Pathogenesis and clinical findings
Notes:
- Septic Arthritis is typically monoarticular & the knee is involved
Septic Arthritis ... clinical findings Notes ... : - Septic Arthritis ... monoarticular & the knee ... SepticArthritis #pathophysiology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Inflammatory arthritis ... Fatigue is usually noted ... Noninflammatory arthritis ... #Joint #Pain #MSK ... approach #workup #differential
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... - **MSK rads ... : DO NOT interpret ... Differential diagnosis
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
of the Hip • Arthritis ... Valgus position of knee ... Trendelenburg #Gait #pathophysiology ... signs #diagnosis #msk
Pes Anserine Bursitis - MSK Radiology
Imaging Findings:
 • T2-hyperintense fluid-like signal along the medial aspect of
Anserine Bursitis - MSK ... aspect of the knee ... Differential diagnosis ... tendon sheath not ... Radiology #diagnosis #msk
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
oftentimes systemic, not ... in Rheumatoid arthritis ... commonly affects the knee ... Comparison #Versus #MSK ... JointPain #Diagnosis #pathophysiology
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
disease states Pathophysiology ... Acute CPP Crystal Arthritis ... birefringent or not ... forefoot, ankles, knees ... Urate Levels: • Not
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Handle Tear - MSK ... fragment usually DOES NOT ... Differential diagnosis ... tear of meniscus: not ... BucketHandle #Tear #knee
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphoproliferative Disorders - Differential ... spread, B symptoms not ... Amy Chung, MD, MSc ... Classification #pathophysiology ... Diagnosis #NonHodgkin #differential