12 results
Patellar dislocation 
Patella dislocation refers to when the kneecap is completely displaced out of its normal
Patellar dislocation ... your femur (thigh bone ... #PhysicalExam #Sports ... #Orthopedics #Knee ... #msk
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
between all carpal bones ... "Terry Thomas" sign ... scapholunate interosseous ligament ... ("Terry Thomas sign ... #Sports #MSK
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
Dislocation - MSK ... consistent with bone ... Differential diagnosis ... #Dislocation #patella ... #msk
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... Legg-Calve-Perthes Disease Knee ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK ... #Orthopedics #Causes
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
muscle, tendon, ligaments ... and underlying bone ... #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
anterior shoulder dislocation ... Differential diagnosis ... • Bony Humeral ... sign." ... #msk
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
shearing injury -> Ligaments ... tear a portion of bone ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology ... #orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... "pooping duck sign ... injuries: Perilunate dislocation ... Radiology #XRay #Diagnosis ... #Sports #MSK
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Intra-articulation fracture - Patellar ... dislocation ... - Aneurysmal bone ... #diagnosis #msk
Soft Tissue Lesions - Differential Diagnosis Algorithm 
Septic
 • Septic Bursitis
 • Necrotizing Fasciitis
 • Septic
Tissue Lesions - Differential ... Diagnosis Algorithm ... • Cellulitis Ligament ... SoftTissue #Lesions #MSK ... #Orthopedics #Causes