dystonia, torsion A type of dystonia in which symptoms typically start in one part of the body, usually in an arm or a leg, and eventually spread to the rest of the body. A form that strikes in childhood is known as idiopathic torsion dystonia, early-onset torsion dystonia, and generalized torsion dystonia. See also dystonia,…
dystonia, Segawa See dopa-responsive dystonia.
dystonia, oromandibular Dystonia that affects the muscles of the jaw, lips, and tongue. The jaw may be pulled either open or shut, and speech and swallowing can be difficult.
dystonia, laryngeal See dysphonia, spasmodic.
dystonia, idiopathic torsion A form of torsion dystonia that begins in childhood, around age 12. Symptoms typically start in one part of the body, usually in an arm or a leg, and eventually spread to the rest of the body within about 5 years. Early-onset torsion dystonia is not fatal, but it can be severely…
dystonia, generalized torsion See dystonia, idiopathic torsion.
dystonia, focal, due to torticollis See torticollis.
dystonia, focal, due to blepharospasm The involuntary, forcible closure of the eyelids. Focal dystonia due to blepharospasm is the second most common focal dystonia. The first symptom may be uncontrollable blinking. Only one eye may be affected initially, but eventually both eyes are usually involved. The spasms may leave the eyelids completely closed, causing functional…
dystonia, focal A form of dystonia that affects only one muscle group. Common focal dystonias that affect the muscles of the hand and sometimes the forearm have been called typist’s cramp, pianist’s cramp, musician’s cramp, golfer’s cramp, and writer’s cramp.
dystonia, dopa-responsive See dopa-responsive dystonia.
dystonia, cranial A form of dystonia that affects the muscles of the head, face, and neck. Spasmodic torticollis can be classified as a type of cranial dystonia.
dystonia Involuntary movements and prolonged muscle contraction that result in twisting body motions, tremors, and abnormal posture. These movements may involve the entire body or only an isolated area. Dystonia can be inherited, may occur sporadically without any genetic pattern, may be associated with medications (particularly antipsychotic drugs), or may be a symptom of certain…