Hirotosi Nakamura

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Progression of ossification of the posterior longitudinal ligament (OPLL) was evaluated in relation to that of ossification of the anterior longitudinal ligament (OALL). The subjects of this study were 68 patients with OPLL in the cervical spine. 47 of them underwent conservative treatment, and the remaining 21 underwent decompression surgery of the(More)
A 76-year-old man without symptoms was admitted to our hospital for investigation of an abnormal chest shadow in 1994. His chest radiograph showed a nodular shadow in the lingual lobe. Segmentectomy was performed and the histological diagnosis was MALT (mucosa-associated lymphoid tissue) lymphoma. In June 2001, there were no abnormal shadows on the chest(More)
Compression of the spinal cord due to ossification of the posterior longitudinal ligament (OPLL) often leads to quadriplegia or paraplegia in Japanese patients. This disease is uncommon in other races. We report the case of a middle-aged Englishman who presented with complaints of intermittent paraparesis due to OPLL at the T5-T6 level in his thoracic spine.
We studied the clinical outcome in 24 patients (25 hands) with carpal tunnel syndrome characterized by severe thenar muscle atrophy, who were treated by open carpal tunnel release alone (10 hands) or with simultaneous opposition transfer (15 hands). We also compared the surgical results in patients younger or older than 65 years. Pain and numbness improved(More)
Congenital hypoplasia of the extensor tendon central slip is a rare entity. This article describes the clinical characteristics in a series of 22 fingers in 16 patients (mean age: 10 months), and the outcomes of conservative treatment. Nine of 22 fingers were classified as slender or hypoplastic. Treatment with bracing was successful in 21 digits, resulting(More)
The phenomenon of positivisation in ascending cauda equina action potential (A-CEAP) was evaluated in 114 patients with lumbosacral lesions. These patients were divided into two groups, i.e., non-positivisation and positivisation group. In the former, positive wave ratio was highest at the L5/S upon stimulating the peroneal nerve. In the latter, the(More)
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