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Computed tomography shows a small hematoma in the left thalamus along with intraventricular extension. (Contributed by Dr. Ravindra Kumar Garg.)
Neuropharmacology & Neurotherapeutics
May. 15, 2021
Peripheral neuropathy is the most common neurologic manifestation of hepatitis C and hepatitis B virus, which are the most frequent hepatitis viruses with nervous system involvement. Cognitive impairment is experienced by a significant proportion of patients with chronic hepatitis C. Hepatitis can affect the entire nervous system, including the brain, spinal cord, motor neurons, peripheral nerves, and muscles.
Jan. 27, 2021
Corticobasal degeneration (CBGD) is one of the atypical parkinsonian syndromes or Parkinsonism-plus syndromes that can mimic Parkinson disease, but it is distinct because of the added features of apraxia, dysphasia, cortical sensory signs, unusual dystonic postures, involuntary movements such as myoclonus, and “alien limb” sign. The pathological hallmark is the deposition of abnormally hyper-phosphorylated microtubule associated protein tau in various parts of the brain. CBGD inevitably progresses slowly and is invariably fatal.
Jan. 31, 2021
The thoracic outlet syndromes include true neurogenic, disputed, arterial, venous, and traumatic neurovascular subtypes, which all feature the compression of neurovascular structures in the thoracic outlet. The true neurogenic variety is extremely rare, and is characterized by sensory symptoms over the medial hand or forearm and intrinsic hand muscle weakness and atrophy.
Jul. 20, 2020
Autonomic neuropathies consist of acquired or inherited diseases resulting from a disturbance of the peripheral autonomic nervous system. Clinical features vary depending on relative involvement of distal sympathetic, cholinergic, or adrenergic systems.
Aug. 09, 2019
Behavioral & Cognitive Disorders
Frontotemporal degeneration (FTD) is the second most common form of neurodegenerative dementia in younger people. Initial presentation can include insidious changes in a person’s personality and behavior or a slowly evolving aphasia syndrome. Parkinsonian and motor neuron symptoms may also occur, either initially or as the disease progresses. Clinically, FTD is expressed as 3 variants: behavioral variant, nonfluent/agrammatic variant primary progressive aphasia, and semantic variant primary progressive aphasia
Aug. 26, 2020
Chronic pain encompasses a spectrum of clinical scenarios involving both peripheral and central pain syndromes. In this article, the author discusses
Epilepsy & Seizures
Apr. 29, 2021