26 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... Compatible syndrome + MRI ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
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
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
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 ... #differential # ... diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Erb's Palsy is caused ... spared in this injury ... Anterior Shoulder ... Myotomes #diagnosis #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
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
anywhere in the CNS ... affecting the anterior ... form part of the differential ... acetylcholine (Ach ... This lesion causes
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... • Diagnosis should ... antiretroviral therapy should ... Imaging: - MRI ... #Infections #differential
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
13 Dangerous Causes of Headache:
 - subarachnoid hemorrhage: family history, PCKD, known berry aneurysm, sudden and
13 Dangerous Causes ... glaucoma: unilateral anterior ... claudication, shoulder ... thrombophilia, neurologic ... Dangerous #Deadly #Differential