About The Medical Condition Myopathic-Myasthenic Syndrome of Lambert-Eaton
Find the definition of the medical term Myopathic-Myasthenic Syndrome of Lambert-Eaton. Myopathic-Myasthenic Syndrome of Lambert-Eaton defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Myopathic-Myasthenic Syndrome of Lambert-Eaton
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What's The Definition Of The Medical Condition Myopathic-Myasthenic Syndrome of Lambert-Eaton?
An autoimmune disease characterized by weakness and fatigability of proximal muscles, particularly of the pelvic girdle, lower extremities, trunk, and shoulder girdle. There is relative sparing of extraocular and bulbar muscles. CARCINOMA, SMALL CELL of the lung is a frequently associated condition, although other malignancies and autoimmune diseases may be associated. Muscular weakness results from impaired impulse transmission at the NEUROMUSCULAR JUNCTION. Presynaptic calcium channel dysfunction leads to a reduced amount of acetylcholine being released in response to stimulation of the nerve. (From Adams et al., Principles of Neurology, 6th ed, pp 1471)
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