2198 results
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
consistent with synovitis ... capsular thickening/synovitis ... hallucis longus Differential
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Deformity / Limp - Differential ... Arthritis • Toxic Synovitis ... Deformity #Limp #MSK #Differential
Intraarticular Chondroma - MSK Radiology
Imaging Findings:
 • Subtle soft-tissue infrapatellar mass seen obscuring Hoffa's fat pad.
Differential diagnosis ... : • Nodular synovitis ... Pigmented villonodular synovitis
Soft Tissue Lesions - Differential Diagnosis Algorithm 
Septic
 • Septic Bursitis
 • Necrotizing Fasciitis
 • Septic
Tissue Lesions - Differential ... • Traumatic Synovitis ... #Lesions #MSK #Differential
Differential Diagnosis of Acute Arthritis

Crystal-induced arthritis: Calcium oxalate, gout, cholesterol, pseudogout, hydroxyapatite crystals

Infectious arthritis: Bacteria, fungi,
Differential Diagnosis ... pigmented villonodular synovitis ... #Diagnosis #Differential
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Skin Lesions - Differential ... SAPHO syndrome (synovitis ... Skin #Lesions #Differential
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
joint deformity Synovitis ... approach #workup #differential
Remitting Seronegative Symmetrical Synovitis

Pitting tenosynovitis. Pink hands also. Hint: pink hands may not be related to
Seronegative Symmetrical Synovitis ... #Symmetrical #Synovitis
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
seronegative symmetric synovitis ... Pigmented villonodular synovitis
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
Multiple masses The differential ... is difficult to differentiate ... Multiple #Massess #Differential