DISTINGUISHING FEATURES OF THE FORMATON AND TOPOGRAPHY OF THE PANCREATIC ISTHMUS ARTERIAL TRUNKS

Aim. To study the extraorganic arterial trunks of the pancreatic (P) isthmus, variations of its origin, topography and to determine the main and additional arteries of this area. Material and methods. The study was performed on organocomplexes of the upper abdominal cavity taken at autopsy in persons without pronounced pathology of the pancreas. The arteries of the pancreas were examined by the preparation method, with preliminary injection of the vessels in two ways: a modified Teichmann-Tikhonov mass and a filling mass according to the method of Ragimov and Huseynov. In order to isolate the abdominal aorta, the primary sections of the celiac trunk and the superior mesenteric artery, before unfolding the unfixed complexes were subjected to primary preparation. Next, the system was sealed with ligatures and hemostatic forceps. The next stage was the injection of cold masses and fixation of the preparation in a 10% formalin solution. A day later, the final dissection was carried out with further painting of the vessels and the documentation of the results obtained. Results. In 86% of cases the dorsal pancreatic artery originates from the spleen artery, in 7% of the superior mesenteric artery, in 7% was a branch of the common hepatic artery, which in turn departed from the superior mesenteric artery. The gastroduodenal artery in 72% of cases was divided into the right gastro-omental artery and anterior superior pancreaticoduodenalartery, in 28% the terminal part of the gastroduodenal artery had a fan-shaped type of branching. Peripancreaticartery, revealed in all cases, passed in the region of the inferior border of the isthmus of the pancreas and was an anastomosis of the right branch of the dorsal pancreatic artery and gastroduodenal artery. We determine non-permanent additional anastomoses along the anterior surface of the pancreatic isthmus, which occurred in 4 to 28% of cases. Conclusion. The arterial bed of the pancreatic isthmus is represented by various branches of the dorsal pancreatic and gastroduodenal arteries, the main of which is the peripancreatic artery. Its topography is characterized by a relative constancy, in spite of the variants of the dorsal pancreatic artery withdrawal. There are also exist unstable additional anastomoses along the anterior surface of the isthmus of the pancreas.