Post-gastrectomy pain and schizophrenia.
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Biomedical subjects
Publications and source records attributed to A Kaye.
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A computer method was developed for brain compartment volume measurement in MR images. The method is a statistical averaging technique, in which each voxel is viewed as a mixture of adjacent tissues in a measurable proportion. This method is based on sampling representative tissue intensities and then interpolating intermediate intensities. It can automatically correct for volume averaging artifacts occurring in voxels that contain heterogeneous tissues.
Twenty-five children ranging in age from 6-16 years underwent AO compression plate fixation for treatment of a femur fracture. Generally, the most common reason for plate fixation was to simplify nursing care and rehabilitation of children with an associated severe head injury or polytrauma. Twenty-three fractures healed in 11 weeks on the average, most by periosteal bone formation. Leg length discrepancy was not a clinical problem. Nursing care and polytrauma rehabilitation were simplified in all children. We believe that plate fixation is a reasonable treatment option for femoral fracture care in children aged less than 11 years with severe head injury or associated polytrauma.
A series of 102 Oxford ependymomas was analyzed by comparing certain clinical data with pathologic data obtained by a review of the histologic slides of the tumors. All the data analysis was performed by computer, thus permitting a rapid search of many parameters for relationships of statistical significance. Age and site were found to be associated with the duration of pre-operative symptoms, mitotic index, tumor cell number, and some specific histologic features.
A survival analysis of cases of ependymoma was performed. Patients with ependymomas of the infratentorium were found to have shorter disease-free intervals and to live for a shorter time after treatment than those with tumors of the cauda equina. Children with infratentorial tumors did not have a recurrence if they survived 3 or more years after operation, whereas adults with infratentorial tumors could have a first recurrence even 5 or more years after surgery. Younger patients did not survive as long as older patients in the group of infratentorial ependymomas. In contrast, age did not influence survival in patients with cauda equina ependymomas. Patients with ependymomas of the infratentorium and the cauda equina having long histories had a better prognosis than those with short histories. Changes in mitotic index and tumor cell number could not be correlated with the length of survival. In the infratentorial group, patients with rosette-bearing tumors had a poor prognosis, whereas patients with subependymal areas in their tumor had a better prognosis. Total surgical removal with no further treatment appeared to be as effective as subtotal removal followed by radiotherapy for the cauda equina tumors.