15 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... L2, L3, L4 • Ankle ... • Cauda Equina Syndrome ... Commonly caused ... nerve at fibular neck
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 Diagnosis ... Intra-articulation fracture ... #Effusions #causes ... #msk #physicalexam
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... Case description ... #clinical #Radiology ... #diagnosis #msk
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
- MSK Radiology ... Case description ... • Stress fracture ... #Radiology #diagnosis ... #msk
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
DISLOCATION: ~25% cases ... Compartment syndrome ... rotation and varus stress ... Posterior #Injury #msk ... #clinical #video
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
FOPE lesion) - MSK ... atraumatic adolescent knee ... increased local stress ... #Radiology #diagnosis ... #msk
Iliotibial Band Friction Syndrome - MSK Radiology
Imaging Findings:
 • The iliotibial band (ITB) is thickened with
Band Friction Syndrome ... - MSK Radiology ... Case description ... #Radiology #diagnosis ... #msk #clinical
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
Pathogenesis and Clinical ... virus or Group A Strep ... arthritis (especially knees ... and ankles) ... Pathophysiology #Diagnosis
Medial Tibial Stress Syndrome (Shin Splints) - MSK Radiology
Imaging Findings:
 • Within the mid diaphysis of
Splints) - MSK Radiology ... -sequences +/- fracture ... #Syndrome #Radiology ... #diagnosis #msk ... #clinical
Subchondral Insufficiency Fracture
Imaging Findings:
 • Circle demarcating the region of edema within the medial femoral condyle.
Case description ... Osteonecrosis of the Knee ... #clinical #mri ... #clinical #Radiology ... #diagnosis #msk