Contralateral definition

Contralateral: adjective; on the opposite side of. Read more »

Ipsilateral definition

Ipsilateral: adjective; on the same side of. Read more »
Central and peripheral facial nerve pathway

Facial nerve palsy

It is important to be able to distinguish central from peripheral causes of facial paralysis. Read more »

Pseudotumor cerebri

Pseudotumor cerebri, more correctly termed idiopathic intracranial hypertension (IIH), typically presents with headaches, transient visual obscurations, and pulsatile tinnitus. Read more »
Schizencephaly

Schizencephaly

Schizencephaly is a developmental abnormality in brain structure consisting of a cleft from the pia into brain parenchyma, lined by heterotopic gray matter. Read more »

MSA hot cross buns sign

Multi-systems atrophy is a progressive neurodegenerative disorder often initially difficult to differentiate from Parkinson’s Disease. Patients present with autonomic instability (fainting due to orthostasis, fluctuating heart rate, urinary incontinence or difficulty emptying... Read more »

Labyrinthitis Ossificans

What anatomic structure of the middle or inner ear is abnormal in this patient with hearing loss and a history of childhood meningitis? Read more »

MCA aneurysm

History : 45 year old man with sudden onset of severe headache. What is the most likely etiology for this patient’s intraventricular hemorrhage? Read more »

Case: PRES or mets?

Case history: 55 year old female with history of lung adenocarcinoma presents with difficulty seeing. She was treated with carboplatin and paclitaxil two months prior to admission. CT head showed hypodensities in... Read more »

Frontal lobe syndromes

There are three classically characterized syndromes that result from damage to the frontal lobes. Read more »