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Carpal tunnel syndrome due to lipofibromatous hamartoma of the median nerve. 2010

Ahmadreza Afshar
Department of Orthopaedics, Urmia University of Medical Sciences, Modaress St., Ershad Blvd., Urmia, Iran. afshar@umsu.ac.ir.

This report describes a rare case of secondary carpal tunnel syndrome due to a lipofibromatous hamartoma of the median nerve. Excision of the fibrofatty tissue between the nerve fascicles without risking damage to the fascicles was impossible. The transverse carpal ligament was incised and an epineurotomy was performed. Within six months, the 25-year-old female patient's symptoms were much improved.

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
D009408 Nerve Compression Syndromes Mechanical compression of nerves or nerve roots from internal or external causes. These may result in a conduction block to nerve impulses (due to MYELIN SHEATH dysfunction) or axonal loss. The nerve and nerve sheath injuries may be caused by ISCHEMIA; INFLAMMATION; or a direct mechanical effect. Entrapment Neuropathies,Nerve Entrapments,External Nerve Compression Syndromes,Internal Nerve Compression Syndromes,Nerve Compression Syndromes, External,Nerve Compression Syndromes, Internal,Compression Syndrome, Nerve,Compression Syndromes, Nerve,Entrapment, Nerve,Entrapments, Nerve,Nerve Compression Syndrome,Nerve Entrapment,Neuropathies, Entrapment,Neuropathy, Entrapment,Syndrome, Nerve Compression,Syndromes, Nerve Compression
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
D006222 Hamartoma A focal malformation resembling a neoplasm, composed of an overgrowth of mature cells and tissues that normally occur in the affected area. Hamartomas
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D020423 Median Neuropathy Disease involving the median nerve, from its origin at the BRACHIAL PLEXUS to its termination in the hand. Clinical features include weakness of wrist and finger flexion, forearm pronation, thenar abduction, and loss of sensation over the lateral palm, first three fingers, and radial half of the ring finger. Common sites of injury include the elbow, where the nerve passes through the two heads of the pronator teres muscle (pronator syndrome) and in the carpal tunnel (CARPAL TUNNEL SYNDROME). Median Nerve Diseases,Medial Neuropathy, Distal,Median Mononeuropathy,Median Nerve Entrapment,Median Nerve Entrapment Neuropathy,Median Nerve Neuralgia,Median Nerve Neuropathy,Median Neuropathy, Proximal,Neuropathy, Median,Distal Medial Neuropathies,Distal Medial Neuropathy,Entrapment, Median Nerve,Median Mononeuropathies,Median Nerve Disease,Median Nerve Entrapments,Median Nerve Neuralgias,Median Nerve Neuropathies,Median Neuropathies,Mononeuropathy, Median,Nerve Disease, Median,Nerve Entrapment, Median,Nerve Neuropathy, Median,Neuralgia, Median Nerve,Neuropathy, Distal Medial,Neuropathy, Median Nerve,Neuropathy, Proximal Median,Proximal Median Neuropathies,Proximal Median Neuropathy

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