15 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... fracture - Patellar dislocation ... - Aneurysmal bone ... diagnosis #msk #
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... in Sickle Cell Disease ... • XR, MRI to ... Osteomyelitis / Septic Arthritis ... #hematology
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... Limp - Differential ... Knee Joint • ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
) - MSK Radiology ... atraumatic adolescent knee ... and bone bridging ... (save $$) Differential ... #clinical #mri
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
- MSK Radiology ... fragmentation and mild bone ... tibial tuberosity Differential ... #Knee #patella ... #clinical #mri #
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... Differential diagnosis ... diffuse chondral disease ... #rheumatology
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
anterior shoulder dislocation ... Differential diagnosis ... • Bony Humeral ... shoulder #clinical #mri ... Radiology #diagnosis #msk
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
Pustular skin lesions ... nonerosive inflammatory arthritis ... Rule out other causes ... - MRI: inflammation ... osteoarticular and skin disease
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
Case description ... surgical repair Differential ... • Bony Bankart ... #clinical #mri ... Radiology #diagnosis #msk
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... oligoclonal bands • MRI ... tract, and often causes ... #Diagnosis #Rheumatology