12 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Chikungunya - Herpes virus ... Intra-articulation fracture ... - Patellar dislocation ... #differential #diagnosis
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... Compartment syndrome ... CLINICAL: instability ... consider compartment syndrome ... #Injury #msk #clinical
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
glenohumeral joint dislocation ... repair Differential diagnosis ... Perthes #lesion #clinical ... #mri #clinical ... #Radiology #diagnosis
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... transplantation CLINICAL ... albuminocytologic dissociation ... - Spinal MRI may ... Guillain #Barre #Syndrome
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
- MSK Radiology ... • Stress fracture ... #Heel #clinical ... #mri #clinical ... #Radiology #diagnosis
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
anterior shoulder dislocation ... Differential diagnosis ... BHAGL): Avulsion fracture ... #mri #clinical ... #Radiology #diagnosis
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
COVID 19 - Zika virus ... Guillain-Barre Clinical ... Guillain-Barre Diagnosis ... Albuminocytologic dissociation ... axonal form • MRI
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
- MSK Radiology ... injury of the knee ... #patella #knee ... #clinical #mri # ... clinical #Radiology
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
- MSK Radiology ... Jaffe-Campanacci syndrome ... #clinical #mri ... #clinical #Radiology ... #diagnosis #msk
Subchondral Insufficiency Fracture
Imaging Findings:
 • Circle demarcating the region of edema within the medial femoral condyle.
Osteonecrosis of the Knee ... Differential diagnosis ... #clinical #mri ... #clinical #Radiology ... #diagnosis #msk