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Jun. 01, 2020
May. 30, 2021
Headache & Pain
Diffuse, aching head pain without migraine characteristics is the primary symptom of tension-type headache. Sensations of tightness or pressure and muscle pain are also seen. Peripheral and central pain mechanisms both appear to be involved in tension headache, which is the most common type of headache.
Aug. 19, 2021
Neuropharmacology & Neurotherapeutics
Mar. 20, 2021
Carcinomas of the lung or breast are the most common sources of brachial plexus metastases, whereas lumbosacral plexus metastases most often arise from primary pelvic tumors or lymphoma. Local and radiating pain is the most common presenting symptom of nerve plexus metastasis, eventually followed by motor and sensory deficits. MRI is fairly sensitive and specific in diagnosing nerve plexus metastases.
Jul. 06, 2021
Spasmodic dysphonia is a focal laryngeal dystonia. The more common adductor type typically results in strained effortful speech with breaks in phonation. Abductor spasmodic dysphonia generally causes breathy speech with voiceless pauses. The task-specific nature of this condition means that it may normalize with changes in pitch or volume or with other activities, such as laughing or yawning. Several causative genes have been identified.
Aug. 16, 2020
Sleep disturbances, including insomnia, hypersomnia, and sleep-disordered breathing, are common in individuals with intellectual disability, including children with neurodevelopmental disorders. The concomitant maturation of sleep with synaptic physiology may explain disruption of sleep in neurodevelopmental disorders. Good sleep hygiene and correction of risk factors are preventive measures. Routine management includes behavioral programs and sleep medications unless a correctable cause is identified.
Oct. 12, 2020
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.
Sep. 13, 2021