A Reversible Cause of Dementia?

Normal-pressure hydrocephalus
Explore the classic triad of gait disturbance, cognitive decline, and urinary incontinence in an elderly patient. Learn about this important neurological diagnosis.
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A Rapid Neurologic Decline

Creutzfeld-Jakob disease
A 54-year-old man presents with a 3-week history of cognitive decline, ataxia, and myoclonus. Explore the diagnosis of this rapidly fatal condition.
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A Latin American Brain Lesion

Triatomine bug
A 31-year-old man with HIV presents with headache and a brain mass. Discover the vector-borne protozoa responsible for this rare neurological complication.
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A Puzzling Case of Headache and Fever

Cryptococcal meningitis
A 36-year-old man presents with fever, headache, and neck stiffness. Explore the differential diagnosis and diagnostic workup for meningitis.
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When Hearing Loss Is More Than Meets the Ear

Neurofibromatosis type 2
A 32-year-old man presents with hearing loss and balance problems. MRI reveals bilateral tumors. Explore the hereditary condition linked to these findings.
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A Puzzling Case of Seizures and Cysts

Neurocysticercosis
An 18-year-old presents with new-onset seizures. An MRI reveals numerous brain cysts. Explore the diagnosis and management of this systemic parasitic infection.
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Brain Lesions in a Cancer Patient

Metastatic adenocarcinoma
A 71-year-old man with known colon cancer presents with altered mental status. Brain MRI reveals multiple ring-enhancing lesions. What's the diagnosis?
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A Swollen Surprise After Stroke Care

Tissue plasminogen activator-associated angioedema
A 78-year-old man receives t-PA for an ischemic stroke but develops an unexpected and alarming orolingual swelling. Explore this rare adverse effect.
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A Deadly Swim: Post-Pool Confusion & Fever

Naegleria fowleri
A 44-year-old man develops confusion and high fever after swimming. Explore the diagnosis behind this rapidly progressive and often fatal meningoencephalitis.
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A Deadly Amoeba’s Deceptive Attack

Granulomatous amebic encephalitis
An 82-year-old man presents with weakness and altered mental status. Despite treatment for meningitis, he rapidly declines. What is this rare, fatal brain infection?
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