15 results
Temporal Bone Imaging Anatomy - Facial Nerve

by Dr. Surjith Vattoth @drSurjthVattoth

#Temporal #Bone #Imaging #Anatomy #Facial #Nerve
Temporal Bone Imaging ... #Imaging #Anatomy ... Facial #Nerve #CN7 ... neuroradiology #neurology ... #radiology #CT
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
Facial Nerve (CN7 ... bilateral, non-CN7 ... presentation • Lyme Serology ... sarcoid or other CNS ... Management #Treatment #Neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... + toxo IgG • CNS ... 30% present w/ CNS ... @AnnKumfer #CNS ... #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV-Associated CNS ... • CNS opportunistic ... enhancement on CT ... InfectiousDiseases #Neurology
Temporal Bone Imaging Anatomy - Middle Ear Cavity: Epitympanum (Attic)
 • Körner septum (Petro-squamous lamina)
 •
Temporal Bone Imaging ... Epitympanum (Attic) • Körner ... #Imaging #Anatomy ... neuroradiology #neurology ... #radiology #CT
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
CNS Manifestations ... thrombosis and/or blood-brain ... Cerebritis: Labs, Imaging ... Erythematosus #SLE #CNS ... #neurology #rheumatology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner ... Space-occupying brain ... lesion • CNS ... infection (e.g., ... Diagnosis #Algorithm #neurology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
Worsening of previous neurologic ... contrast enhancement Brain ... and not direct infection ... or abruptly • CN ... differential #TB #neurology
Hypertrophic Pachymeningitis - Differential Diagnosis Framework

Pachymeningitis is a rare condition that causes areas of a layer
spinal cord and brain ... Neurosyphilis • CNS ... pachymeningitis • CNS ... metastases CT ... Pachymeningitis #HP #Neurology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
HIV dementia Pathophysiology ... and infects the CNS ... early stages of infection ... mononuclear cells in the CNS ... dementia #AIDS #Neurology