Biomedical subjects
Publications and source records attributed to J R Ransome.
The etiology, diagnosis, and management of carpal tunnel syndrome remains controversial despite nearly 50 years of surgical treatment. The increasing incidence of the entity in clerical workers and in laborers has fueled the controversy as to whether this is a work-related condition. This article reports a case of carpal tunnel syndrome with a hitherto undescribed etiology.
Enteric free flaps have proven to be useful in the reconstruction of the esophagus. This study was designed to determine whether cold preservation can prolong the ischemia time of enteric flaps from the distal small bowel. Adult mongrel dogs were anesthetized, and the abdomen was opened at the midline. Two 10-cm portions of the distal small bowel were identified and dissected out on a single pedicle. The bowel was then divided, and one segment was cooled with iced saline sponges while the second segment was not. The blood supply to both segments was then clamped. After 2 hours, the bowel was reanastomosed, and the cold segment was marked. Twenty-four hours later, the dogs were reanesthetized and given fluorescein and the bowel was then examined under the Woods lamp. Sections from both the warm ischemia and cold ischemia bowel were examined histologically. Results indicated that cooling the bowel can retard histologic changes that ischemia produces in the bowel.
Light and ultrastructural findings in a mixed mesodermal tumor of the urinary bladder are reported. The mesenchymal component of the tumor contained undifferentiated mesenchymal cells and cells with chondroblastic differentiation. The neoplastic chondrocytes displayed an abundance of cytoplasmic microfilaments and had a scalloped cell surface.
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