Mediastinal enterogenic cyst with spinal cord compression.
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A 48-year-old woman with a 30-year history of tendinous xanthomatosis developed paraplegia. The magnetic resonance image revealed extramedullary tumors. The analysis of her sera and tumors revealed increased amount of plant sterols, especially sitosterol, and the diagnosis of sitosterolemia was made. This is the first reported case of a patient with sitosterolemia who had the neurological complication of spinal cord compression due to extramedullary sitosterolemic xanthomas.
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A 15-year-old girl with thalassemia major who suffered from paraparesis with a history of progressive lower limb weakness for 2 years immigrated from mainland China to Hong Kong. She had not received regular blood transfusion since the age of 6 years after splenectomy. MRI of the spine showed thoracic spinal cord compression secondary to extramedullary hematopoietic mass. She made significant recovery with hypertransfusion therapy alone. MRI of the spine repeated 3 months later showed nearly complete resolution of the extramedullary hematopoietic mass.
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An experimental technique of chronic spinal compression combined with chronic implantation of cortical and spinal electrodes for the measurement of evoked potentials in cats is presented. This technique has the advantages of 1) requiring only a relatively simple dorsal access, 2) being applicable to the entire spinal cord, 3) permitting simple external control of compression speed and duration, and 4) allowing unhindered observation of motor behaviour in the unrestricted animal.
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Systemic sclerosis (SS) is a chronic, multisystemic disease, characterized by inflammation associated with fibrosis. Calcinosis is one of the manifestations of this disorder, observed in 10 to 20% of cases. It is usually located on the extensor surface of the phalanges, peri-articular tissue and near the bone prominences. There are only a few cases reported of SS with vertebral column involvement and spinal cord compression by calcinosis causing serious neurological complications. We describe a fatal case of SS who showed tetraplegia secondary to ectopic calcinosis in the cervical medulla and present a review of the literature on the subject.
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About 37 cases of non-traumatic spinal cord and cauda-equina compression, the authors emphasize the value of CT-scan study after intra-thecal injection of water-soluble contrast-medium. This exploration gives accurate informations about the involvement of both spinal and para-spinal spaces. These data are helpful diagnosis purpose and for the choice of therapeutic especially when surgical procedure is decided.