13 results
Positive J-Sign - Maltracking Patella on Knee Examination

Inverted J sign in a 15-year-old girl with patellar
Positive J-Sign ... Inverted J sign ... Maltracking #Positive #JSign ... #J #Sign #Knee ... clinical #video #msk #orthopedics
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
fragmentation and mild bone ... tibial tuberosity Differential ... tear (similar symptoms ... marrow edema and bony ... Schlatter #Disease #Knee
Diagram of different types of bone tumors that can occur around the knee on XRay -
occur around the knee ... blade of grass sign ... #Bone #Tumors # ... Diagnosis #Bony ... #Differential #Radiology
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
The "double PCL sign ... Differential diagnosis ... Intra-articular body ... #knee #mri #clinical ... #Radiology #diagnosis
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
occur around the knee ... blade of grass sign ... #Bone #Tumors # ... Lesions #Bony #Differential ... #Diagnosis #Radiology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... Ligamentous injuries - Meniscal ... Intra-articulation fracture - Patellar ... - Aneurysmal bone
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
consistent with bone ... There is also a bone ... injury of the knee ... Differential diagnosis ... Quadriceps Tendon Tear
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... Limp - Differential ... Diagnosis Algorithm ... Legg-Calve-Perthes Disease Knee ... #Orthopedics #Causes
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
with a capsule tear ... Differential diagnosis ... • Bony Humeral ... GAGL): "Reverse J sign ... No tear of the labrum
Differential Diagnosis of Acute Arthritis

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

Infectious arthritis: Bacteria, fungi,
Differential Diagnosis ... fever,* foreign body ... hyperlipoproteinemia,* meniscal ... tear Systemic ... virus infection Tumor