11 results
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... hallucis longus Differential ... osteochondral lesion ... #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 ... #msk
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... fracture - Patellar dislocation ... - Aneurysmal bone ... #diagnosis #msk
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
surgical repair Differential ... diagnosis: • Bankart ... • Bony Bankart ... #clinical #mri ... #msk
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
anterior shoulder dislocation ... Differential diagnosis ... • Bony Humeral ... shoulder #clinical #mri ... #msk
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... Legg-Calve-Perthes Disease Knee ... Patellofemoral Syndrome ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
Pathologic Fracture - MSK ... Jaffe-Campanacci syndrome ... Differential diagnosis ... : • Simple bone ... #msk
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
- MSK Radiology ... consistent with bone ... Differential diagnosis ... #clinical #mri # ... #msk
Subchondral Insufficiency Fracture
Imaging Findings:
 • Circle demarcating the region of edema within the medial femoral condyle.
the subchondral bone ... Osteonecrosis of the Knee ... favored because lesion ... Differential diagnosis ... #msk
Tenosynovitis of the peroneal tendons due to hypertrophic peroneal tubercle
Imaging Findings:
 • Large volume ofT2-hyperintense fluid
Can result in bone ... Differential diagnosis ... tendon subluxation/dislocation ... tubercle #clinical #mri ... #msk