8 results
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
COLUMN CONCEPT Anterior ... AAF: Anterior ... spinal deformity or neurologic ... injury 3 Cauda ... #Orthopedics #diagnosis
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
J-shape." o Usually anterior ... Differential diagnosis ... BHAGL): Avulsion fracture ... mri #clinical #Radiology ... #diagnosis #msk
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... Conditions: • Cauda ... Equina Syndrome ... #Myotomes #diagnosis ... #neurology #sensory
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... L5/S1 with an inferior ... Differential Diagnosis ... region (S2-S4 dermatomes ... #causes #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Motor Function Shoulder ... Anterior Shoulder ... #Myotomes #diagnosis ... #neurology #sensory
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
elbow x-ray review alignment ... identified but anterior ... ), compartment syndrome ... Elbow #Humerus #Radiology ... #XRay #Diagnosis
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Vertebral burst fracture ... involvement Cauda ... #differential #diagnosis ... #neurology
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
Dislocation - MSK Radiology ... patellofemoral ligament ... disrupted at the anterior ... injury of the knee ... #diagnosis #msk