21 results
Temporal Bone Imaging Anatomy - Facial Nerve

by Dr. Surjith Vattoth @drSurjthVattoth

#Temporal #Bone #Imaging #Anatomy #Facial #Nerve
Temporal Bone Imaging ... Anatomy - Facial ... Nerve by Dr. ... neuroradiology #neurology ... #radiology #CT
CT vs T1 MRI
CT Head:
 - Bones are white
 - Fat is Dark & Scalp fat
Head: - Bones are ... apparent T1 MRI Brain ... : - Bones are Dark ... MRI #comparison #neurology ... #radiology #brain
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
presentation • Lyme Serology ... CN7, parotid), CT ... middle ear/temporal bone ... Eyecare (prevent corneal ... Management #Treatment #Neurology
Types of Facial Paralysis - Peripheral vs Central Lesions

Facial weakness or paralysis may result either from
nerve, anywhere ... located on only one ... pathways, as in a stroke ... #Nerve #Paralysis ... #Bells #Palsy #Neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Contralateral motor cortex ... sensory loss Brain ... Consciousness • Cranial Nerve ... Findings: ipsilateral facial ... #Hemiplegia #Neurology
Evolution of stroke on CT and MRI. 

Day 1: NCHCT demonstrates obscure left insular cortex. No
Evolution of stroke ... on CT and MRI. ... #Stroke #CVA #MRI ... Progression #Timeline #Neurology ... #Radiology #Findings
Temporal Bone Imaging Anatomy - Middle Ear Cavity: Epitympanum (Attic)
 • Körner septum (Petro-squamous lamina)
 •
Temporal Bone Imaging ... Epitympanum (Attic) • Körner ... Anterior attic bony ... neuroradiology #neurology ... #radiology #CT
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
3: Necrosis of bone ... Through lateral cortex ... ): facial nerve ... #Mastoiditis #pathophysiology ... symptoms #diagnosis #otology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Pathophysiology ... all extremity, facial ... support (10-30%) • Facial ... cardiomyopathy, Horner ... management #treatment #neurology
Timeline for Progression of T2WI and DWI Findings in Acute Stroke
 - In the acute phase
Findings in Acute Stroke ... - DWI in brain ... only positive for one ... Progression #Timeline #Neurology ... #Radiology #Findings