38 results
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... of anterior shoulder ... Differential diagnosis ... capsuloligamentous injury ... #clinical #mri
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Causes of spinal ... • Extrinsic Causes ... #lesions #differential ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... spared in this injury ... Carpal Tunnel Syndrome ... Anterior Shoulder ... Myotomes #diagnosis #neurology
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 ... Abdominal Reflex L2 Anterior ... Femoral Condyle Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
atraumatic adolescent knee ... repeated follow-up MRI ... (save $$) Differential ... Salter Harris injury ... #clinical #mri
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
Gerstmann Syndrome ... - Inability to differentiate ... Traumatic Brain Injury ... (usually left) inferior ... #neurology #diagnosis
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
affecting the anterior ... form part of the differential ... LMN syndromes are ... acetylcholine (Ach ... This lesion causes
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
fracture and Perthes lesion ... Case description ... surgical repair Differential ... Similar injury to ... #clinical #mri
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
prolapse (Marfan syndrome ... , Ehler-Danlos syndrome ... papillary muscle injury ... mid-portion of anterior ... Primary #Functional #Differential