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Magnetic resonance venography demonstrates absent flow on the right transverse and sigmoid sinus. (Contributed by Dr. José Biller.)
May. 07, 2020
Neuropharmacology & Neurotherapeutics
Drug-induced disturbances of smell and taste may involve only smell or taste, or both together. Patients may present with diminished function, distortion, or complete loss. Symptoms may resolve on discontinuation of the offending medication, or may be persistent. Many drugs from different pharmacological categories have been associated with these disturbances.
Mar. 20, 2021
Jun. 12, 2020
Childhood Degenerative & Metabolic Disorders
The term "acid sphingomyelinase-deficient Niemann-Pick disease" ("ASM-deficient NPD") or ASM deficiency (ASMD) is now preferred
Dec. 20, 2019
Neuro-Ophthalmology & Neuro-Otology
Cortical blindness refers to visual loss due to bilateral lesions of the geniculocalcarine pathways in the brain. Patients may or may not be aware of their visual deficits, and if unaware, the clinical presentation is termed “Anton syndrome.” It can be caused by a variety of disorders, including vascular, infectious, metabolic, or other etiologies.
Jun. 06, 2018
Tyrosine hydroxylase deficiency is an autosomal recessively inherited inborn error of metabolism that involves the biosynthesis of catecholamines (dopamine,
Jul. 08, 2015
Seizures, cortical dysplasia, tumors, intellectual disability, autism, ADHD, and sleep disorders are all CNS manifestations of tuberous sclerosis complex, occuring in about 90% of patients. Cortical dysplasia is also common, manifesting as cortical tubers and lines of migration. It is an autosomal-dominant genetic disorder.
Aug. 24, 2021
Dec. 12, 2020