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Biomedical subjects

H Jacob

Publications and source records attributed to H Jacob.

102 records · Page 6Linked to original sources
PubMedDate not supplied

Treatment of malignant biliary obstruction by endoscopic implantation of iridium 192 using a new double lumen endoprosthesis.

Iridium 192 seeds contained in a ribbon were preloaded into a new double lumen 11 Fr endoprosthesis which was then inserted into malignant strictures of the bile duct and ampulla and left in place for 48 hours until 5000 rads were delivered to the tumor. The procedure was carried out in 14 patients (7 women, 7 men; mean age, 63.2 years; range, 46 to 86 years). Six patients were treated for cholangiocarcinomas, four with pancreatic carcinomas, and four with ampullary carcinomas. No complications occurred. The mean survival of the group was 7 months (range, 3 days to 27 months). This new technique provides both intraluminal brachytherapy and biliary drainage and is inserted intraduodenally across the papilla of Vater avoiding puncture of the liver and external hardware required by the percutaneous technique and hardware necessitated with a nasobiliary tube. Following removal of the iridium prosthesis, a large caliber endoprosthesis is inserted for continued decompression. Because of proven efficacy of endoprostheses, this new technique should be considered when intraluminal irradiation is indicated.

Adenoma, Bile Duct↗
PubMedDate not supplied

Neocerebellar hypoplasia with systemic combined olivo-ponto-dentatal degeneration in a 9-day-old baby: contribution to the problem of relations between malformation and systemic degeneration in early life.

Three different cerebral alterations, apparently formed consecutively, were observed in a 9-day-old baby. Marked cortico-neocerebellar hypoplasia was seen in a relatively well-developed paleocortex. Its teratological stage was apparently the 3rd fetal month. Almost total nerve cell loss and marked proliferation of protoplasmic and fibrous astrocytes were found in the nuclei pontis and inferior olive. Perihypoglossal and pararaphal nuclei, which are related to the cerebellum, were also affected. This degenerative process must have resulted from neuronal deprivation or inactivity, as the pertinent cortico-cerebellar area was hypoplastic, and therefore any neuronal imput was impossible (olivo-ponto-dentatal degeneration due to cortico-cerebellar hypoplasia). Massive symmetrical necrosis in the cerebral white and grey matter, basal ganglia, midbrain and bulbus, is interpreted as hypoxic damage due to perinatal convulsive attacks and cessation of respiration.

Brain↗