16 results
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
Algorithm for evaluating ... ringenhancing #lesions #cns ... #brain #diagnosis ... #causes #radiology ... #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... RingEnhancing #Lesions #Brain ... #differential #diagnosis ... #causes #radiology ... #neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
) • Systemic symptoms ... Space-occupying brain ... lesion • CNS ... infection (e.g., ... #Algorithm #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... Algorithm True ... symptoms/signs, ... nystagmus - Infection ... Dizziness #Vertigo #Neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... pulmonary etc) • CNS ... Lack of UMN/LMN signs ... aminotransferases • Serology ... #neurology
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
affecting the Brain ... Visual or auditory symptoms ... conjunction with symptoms ... nervous system (CNS ... BEE #Syndromes #neurology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
contrast enhancement Brain ... and not direct infection ... or abruptly • CN ... #Tuberculosis #diagnosis ... differential #TB #neurology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... /symptoms or echo ... Blood cultures/serology ... Blood cultures/serology ... large infarct - Infectious
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
and infects the CNS ... early stages of infection ... • Depressive symptoms ... Diagnosis: MRI ... dementia #AIDS #Neurology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
by culture or serology ... especially the CNS ... MC: CNS CSF: • ... • Sinusitis • Brain ... : • Serology for