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PubMed1977

Pancreatic transplantation. Absence of diabetes in dogs after total pancreatectomy and intrasplenic autotransplantation of pancreatic tissue.

Two simple, rapid, and reproducible techniques of pancreatic tissue preparation produced favorable results after just part of the gland was autotransplanted in totally pancreatectomized animals. It is probable that the short and less traumatic treatment in vitro was responsible for the sufficient yield of viable islets. Moreover, the results show convincingly that the complete separation of endocrine from exocrine pancreas is not mandatory to insure adequate endocrine secretion. The spleen, an organ of no vital importance having a rich blood supply and belonging to the portal circulation, was a very suitable experimental implantation site, which permitted thorough evaluation of the tissue preparation techniques. These favorable results were not conditioned by the splenic tissue itself, because similar results have been obtained in dogs when the tissues were implanted into the liver via the portal vein.

Animals↗
PubMed1987

Aberrant peripancreatic arterial anatomy. Considerations in performing pancreatectomy for malignant neoplasms.

One-hundred twenty patients with malignant neoplasms of the pancreas referred to the Surgery Branch of the National Cancer Institute over a 5-year period were prospectively examined with selective celiac and superior mesenteric angiography. Forty-one patients (34%) showed various arterial anomalies in the peripancreatic and hepatic areas. The most common anomalies included the right hepatic artery arising from the superior mesenteric artery (16%) and the left hepatic artery arising from the left gastric (11%). Thirty-two of the 120 patients eventually underwent pancreatic resection, and ten of the 32 resected patients (31%) had aberrant arterial anatomy. Recognition of the arterial anomalies permitted resection with no arterial reconstruction in nine of the patients. One patient required sacrifice of an aberrant right hepatic artery that was reconstructed with an anastomosis to the gastroduodenal artery remnant. Selective angiography should be done routinely before any potential radical resection for malignant neoplasms of the pancreas. Recognition of arterial anomalies generally permits satisfactory resection. Even if arterial segments require sacrifice, reconstruction can generally be accomplished with regional vessels, avoiding major arterial grafts.

Arteries↗