Cases reported "Carpal Tunnel Syndrome"

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1/242. Acute carpal tunnel syndrome from thrombosed persistent median artery.

    We report a case of acute carpal tunnel syndrome from thrombosis of a persistent median artery caused by blunt trauma. The sudden onset of numbness in the median nerve distribution with pain in the fingers in a young adult may provide clues to the diagnosis.
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keywords = nerve
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2/242. Proximal Martin-Gruber anastomosis mimicking ulnar neuropathy at the elbow.

    We present a case of Martin-Gruber anastomosis (MGA) mimicking conduction block between the above- and below-elbow sites of ulnar nerve stimulation. We review the anatomical and electrophysiological literature on this subject and discuss its clinical implications. The potential for a MGA to occur very proximally in the forearm and thus mimic ulnar neuropathy at the elbow is underrecognized. We recommend that a check for MGA be performed on all patients with an apparent conduction block at the elbow, and suggest that 3 cm distal to the medial epicondyle may be an optimal below-elbow ulnar nerve stimulation site.
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keywords = nerve, block
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3/242. carpal tunnel syndrome caused by the palmaris profundus muscle. Case report.

    The palmaris profundus muscle is a rare structure that originates from the radial portions of the forearm. Its discrete tendon passes through the carpal tunnel, attaching distally to the palmar aponeurosis. If it interferes with the median nerve it may cause carpal tunnel syndrome. The finding can be compared with similar observations in comparative anatomy.
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4/242. Ulnar conduction block at the wrist.

    Two cases of ulnar nerve lesions at the wrist are reported. The lesions had an acute onset and exclusively impaired the ulnar motor deep branch. The coexistence of carpal tunnel syndrome in each case allowed an early diagnosis but was somewhat misleading. In both cases, the use of classic motor and sensory conduction studies did not provide clear abnormalities that would have precisely determined the site of the nerve lesion. In both cases, only palmar stimulation of the ulnar motor deep branch showed an important conduction block. This electrodiagnostic finding showed definitively the site of the ulnar nerve lesion at the wrist and excluded proximal ulnar nerve lesions or C8-T1 radiculopathy. In both cases recovery occurred without surgery.
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ranking = 4.1001805757664
keywords = nerve, block
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5/242. Tophaceous gout: a case of bilateral carpal tunnel syndrome.

    Gouty tenosynovitis may present as infection, tendon rupture, nerve compression and/or digital stiffness. We report a case of tophaceous gout which presented as bilateral carpal tunnel syndrome.
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6/242. Split median nerve.

    carpal tunnel syndrome is encountered frequently in the every day practice for many orthopaedic surgeons and neurosurgeons. However, the rate of recurrence or incomplete relief is high and difficult to treat. This may be related to the high percent of anomalies of the median nerve and its surrounding tissues. A case of a split median nerve entrapped by an abnormally inserted palmaris longus muscle is presented. The case is discussed and a conclusion of safer standard surgical release is recommended, especially in doubtful cases.
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keywords = nerve
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7/242. carpal tunnel syndrome caused by an idiopathic calcified mass.

    This is a case report of carpal tunnel syndrome caused by an idiopathic calcareous lesion within the carpal canal. The median nerve was trapped between the transverse carpal ligament and the calcified mass. The mass was predominantly composed of calcium phosphate. Surgical release of the transverse carpal ligament and removal of the calcareous mass relieved the symptoms.
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8/242. Remission of a recurrent carpal tunnel syndrome by a new device of the hemodialysis method in a long-term hemodialysis patient.

    This report concerns a case in which remission was achieved from the recurrent carpal tunnel syndrome employing new methods of hemodialysis. These being the maintenance of low endotoxin in dialysate, a highly permeable membrane and a 32-microglobulin-adsorbent column. A 78-year-old female patient with a 19-year history of hemodialysis was diagnosed as being a suitable recipient of a third operation. The concentration of endotoxin was maintained at under 10 EU/l and the highly permeable dialyzer with a larger sieving coefficient of beta2-microglobulin was introduced. A Lixelle adsorption column for beta2-microglobulin removal was also introduced and the serum concentration of the beta-microglobulin was maintained at under 20 mg/dl. Consequently, within 6 months the symptoms in the right hand had completely disappeared, the motor nerve latency had almost normalized at 5.0 msec and no recurrence was observed.
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9/242. Contribution of magnetic resonance imaging for the diagnosis of median nerve lesion after endoscopic carpal tunnel release.

    Deterioration of pre-existing signs or appearance of a nerve deficit raise difficult problems during the complicated course following endoscopic carpal tunnel release. One possible explanation is transient aggravation of nerve compression by passage of the endoscopy material, but these signs may also be due to incomplete section of the flexor retinaculum or an iatrogenic nerve lesion. Each case raises the problem of surgical revision. The authors report three cases of open revision in which MRI allowed a very precise preoperative diagnosis of the lesions and all of the MR findings were confirmed during surgical revision. In the first case, MRI showed section of the most radial branches of the median nerve (collateral nerves of the thumb, index finger and radial collateral nerve of the middle finger). The proximal origin of the nerve of the 3rd web space, above the retinaculum, an anatomical variant, was also identified. Section of 2/3 of the nerve of the 3rd web space, proximal to the superficial palmar arch, was observed in the second case. Simple thickening of the nerve of the 3rd web space, without disruption after opening of the perineurium, was observed in the third case. MRI therefore appears to be an examination allowing early and precise definition of indications for surgical revision in this new iatrogenic disease.
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ranking = 13
keywords = nerve
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10/242. Hyperostotic macrodactyly and lipofibromatous hamartoma of the median nerve associated with carpal tunnel syndrome.

    A new case with 14-year follow-up of an extremely rare variety of congenital hand macrodactyly is presented. The disease characteristically presents a diffuse proliferation of fibrofatty tissue, but in this special type, osteocartilaginous deposits around the joints can also be found. The case presented included the troublesome feature of a lipofibromatous hamartoma in the median nerve at the wrist and its branches producing carpal tunnel syndrome. The patient obtained benefit from carpal tunnel release and epineurolysis. The hyperostotic development was managed with conservative resection of the periarticular osteochondromas. The literature reviewed suggests that the hyperostotic cases of macrodactyly do not differ from general cases of this congenital condition, except for the osteochondral deposits. These tumours develop during adulthood or after previous trauma, before epiphyseal closure.
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