9 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Effusions - Septic ... (1%) - Watch out ... Gout - Pseudo ... gout - Osteoarthritis ... #msk #physicalexam
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... mass and NO prior signs ... • This case should ... #diagnosis #msk
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... analysis: • MSU ... : Gout • CPPD: ... Interpretation #diagnosis ... #septic #joint
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 ... #Differential #Radiology ... #XRay #msk #lesions
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
Gout - Diagnosis ... forefoot, ankles, knees ... not possible • Ultrasound ... double contour sign ... +Radiographic signs
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
Myeloma - punched out ... blade of grass sign ... #Differential #Diagnosis ... #Radiology #XRay ... #MSK #pediatrics
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
axial (spine, shoulders ... noninflammatory Signs ... Very hard to get out ... Crystal induced (Gout ... fever • Lyme • Gout
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
to fibroadipose septa ... interrogation as it should ... infrapatellar bursa of the knee ... MUSCULOSKELETAL #MSK ... Atlas #Clinical #Radiology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... • Bilateral signs ... • Must rule out ... , MOG-IgG test should ... need to be ruled out