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[A deep palmar muscle as a cause for carpal tunnel syndrome]. 1989

H Piza-Katzer, and T Rath
Abteilung für Plastische und Rekonstruktive Chirurgie, I. Chirurgischen Universitätsklinik Wien.

In young patients with bilateral carpal tunnel syndrome and a negative history of synovialitis, trauma, and metabolic disease one has to consider rare muscle variations as a cause of the syndrome. Besides variations of the lumbrical muscles and the superficial flexor digitorum muscles, variations of the palmaris longus muscle can be the causative anomalous structure. A case of carpal tunnel syndrome caused by a palmaris profundus muscle in presence of a normal palmaris longus muscle is reported.

UI MeSH Term Description Entries
D008475 Median Nerve A major nerve of the upper extremity. In humans, the fibers of the median nerve originate in the lower cervical and upper thoracic spinal cord (usually C6 to T1), travel via the brachial plexus, and supply sensory and motor innervation to parts of the forearm and hand. Median Nerves,Nerve, Median,Nerves, Median
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009132 Muscles Contractile tissue that produces movement in animals. Muscle Tissue,Muscle,Muscle Tissues,Tissue, Muscle,Tissues, Muscle
D009431 Neural Conduction The propagation of the NERVE IMPULSE along the nerve away from the site of an excitation stimulus. Nerve Conduction,Conduction, Nerve,Conduction, Neural,Conductions, Nerve,Conductions, Neural,Nerve Conductions,Neural Conductions
D002349 Carpal Tunnel Syndrome Entrapment of the MEDIAN NERVE in the carpal tunnel, which is formed by the flexor retinaculum and the CARPAL BONES. This syndrome may be associated with repetitive occupational trauma (CUMULATIVE TRAUMA DISORDERS); wrist injuries; AMYLOID NEUROPATHIES; rheumatoid arthritis (see ARTHRITIS, RHEUMATOID); ACROMEGALY; PREGNANCY; and other conditions. Symptoms include burning pain and paresthesias involving the ventral surface of the hand and fingers which may radiate proximally. Impairment of sensation in the distribution of the median nerve and thenar muscle atrophy may occur. (Joynt, Clinical Neurology, 1995, Ch51, p45) Compression Neuropathy, Carpal Tunnel,Entrapment Neuropathy, Carpal Tunnel,Amyotrophy, Thenar, Of Carpal Origin,Median Neuropathy, Carpal Tunnel,Carpal Tunnel Syndromes,Syndrome, Carpal Tunnel,Syndromes, Carpal Tunnel
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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