Case 324: CHANTER Syndrome.

A 69-year-old right-handed man with a history of substance use disorder, hypertension, and diabetes presented to the emergency department in an unresponsive state. Upon examination, apart from tachycardia (heart rate, 108 beats per minute), vital signs were within normal ranges (blood pressure, 134/102 mm Hg; temperature, 97.9 ºF (36.

Case 324.

A 69-year-old right-handed man with a history of substance use disorder, hypertension, and diabetes presented to the emergency department in an unresponsive state. Upon examination, apart from tachycardia (heart rate, 108 beats per minute), vital signs were within normal ranges (blood pressure, 134/102 mm Hg; temperature, 97.9°F [36.

Case 317: Adult-Onset Leukoencephalopathy with Axonal Spheroids and Pigmented Glia.

A 44-year-old previously healthy man with a 9-month history of progressive cognitive decline, depression, urinary incontinence, and inability to perform tasks of daily living presented to the emergency department with worsening cognitive and neuropsychiatric symptoms. He had become more distressed, and his family noticed him departing the house without closing doors, leaving water faucets running, and sending his children to school on Sundays. History taken from the patient's wife revealed that his brother had passed away in his late 30s after a slowly progressing functional and cognitive decline over the course of 5 years.

Case 313: Cerebral Venous Infarct Due to Internal Cerebral Vein Thrombosis in the Setting of COVID-19 Infection.

A 45-year-old woman presented to the emergency department of an outside hospital with shortness of breath and cough. Five days after initial presentation, the patient presented again to the same emergency department with worsening headache and progressive left arm and left leg weakness. She was transferred to the neuroscience intensive care unit of our hospital with concern for an intracranial abnormality based on her work-up at the outside hospital.

Case 317.

A 44-year-old previously healthy man with a 9-month history of progressive cognitive decline, depression, urinary incontinence, and inability to perform tasks of daily living presented to the emergency department with worsening cognitive and neuropsychiatric symptoms. He had become more distressed, and his family noticed him departing the house without closing doors, leaving water faucets running, and sending his children to school on Sundays. History taken from the patient's wife revealed that his brother had passed away in his late 30s after a slowly progressing functional and cognitive decline over the course of 5 years.

Case 313.

A 45-year-old woman presented to the emergency department of an outside hospital with shortness of breath and cough. Five days after initial presentation, the patient presented again to the same emergency department with worsening headache and progressive left arm and left leg weakness. She was transferred to the neuroscience intensive care unit of our hospital with concern for an intracranial abnormality based on her work-up at the outside hospital.

Recurrent Painful Ophthalmoplegic Neuropathy in an Adult Patient: A Case Report With Literature Review.

Recurrent painful ophthalmoplegic neuropathy (RPON), previously known as ophthalmoplegic migraine, is a rare disease that predominantly affects children. Recurrent episodes of ocular cranial nerve paresis with ipsilateral headache characterize this disorder. Diagnosis is mainly clinical with imaging being used as an adjunct.