13 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Myotomes Motor Function ... Shoulder: • ... spared in this injury ... Anterior Shoulder ... Dermatomes #Myotomes #diagnosis
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... C6 Dorsal Thumb Wrist ... Hamstring Reflex S1 Lateral ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Mallet finger - injury ... to the lateral ... Fractures #XRay #Radiology ... #Wrist #differential ... #diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral ... , median nerve injury ... #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Iliotibial Band Friction Syndrome - MSK Radiology
Imaging Findings:
 • The iliotibial band (ITB) is thickened with
Syndrome - MSK ... Radiology Imaging ... Differential diagnosis ... ligament complex injury ... #diagnosis #msk
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
all carpal bones should ... Thomas" sign to diagnosis ... • Due to injury ... Scaphoid #Carpal #Radiology ... Orthopedics #Sports #MSK
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
FOPE lesion) - MSK ... Radiology Imaging ... (save $$) Differential ... Harris injury: ... #diagnosis #msk
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
cause of anterior shoulder ... Differential diagnosis ... capsuloligamentous injury ... mri #clinical #Radiology ... #diagnosis #msk
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
surgical repair Differential ... diagnosis: • Bankart ... Similar injury to ... mri #clinical #Radiology ... #diagnosis #msk
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
Dislocation - MSK ... Radiology Imaging ... Differential diagnosis ... mri #clinical #Radiology ... #diagnosis #msk