32 results
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
dementia Pathophysiology ... • Depressive symptoms ... similar to PML, but MRI ... Diagnosis: MRI ... white matter and posterior
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
MRI: Posterolateral ... hallucis longus Differential ... torn ligament on MRI ... flexion but no symptoms ... Syndrome #clinical #mri
Restrictive Cardiomyopathy - Diagnosis and Causes
Clinical: Dyspnea, Exercise Intolerance, ↑ "Right Sided-Symptoms" (ascites, hepatomegaly, ↑↑peripheral edema)
Physical
Cardiomyopathy - Diagnosis ... ↑ "Right Sided-Symptoms ... MRI, Cardiac Catheterization ... Sarcomeric Protein Disorders ... #Causes #differential
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Metabolic Brain Disorders ... ATL With Posterior ... Pons: ODS #MRI ... #Clinical #Differential ... #Diagnosis #Radiology
Tolosa-Hunt Syndrome
What?
 • Unilateral orbital/retrobulbar pain
 • Paresis of the cranial nerves Ill, IV, VI
 •
cranial nerves Ill, IV ... fissure or orbit (MRI ... ) Treatment: • ... resolution of the symptoms ... TolosaHunt #neurology #diagnosis
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
neurocognitive disorders ... hydrocephalus, HIV ... MRI, iADL scale, ... hallucinations - Movement disorders ... MNCD #Dementia #Differential
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphoproliferative Disorders ... - Differential ... Diagnosis Algorithm ... pattern of spread, B symptoms ... Classification #pathophysiology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... Antimicrobial treatment ... Suspect in movement disorders ... Imaging: - MRI ... CNS #Infections #differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
cord compression (MRI ... change on spinal MRI ... Gadolinium-enhanced MRI ... out • Brain MRI ... simplex virus, HIV
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
patellar tendon sharp posterior ... • MRI is more sensitive ... tibial tuberosity Differential ... tear (similar symptoms ... patella #clinical #mri