How many people have heterotopic pancreas?

summary

A pancreas is also called labyrinthine pancreas or accessory pancreas. All isolated pancreatic tissues that grow outside the pancreas itself and have no connection with normal pancreatic tissue, or vascular connection, are called ectopic pancreas. This is a congenital malformation. About 90% of the ectopic pancreas is located in the upper gastrointestinal tract, mainly the stomach (usually located in the greater curvature within 5 cm from the pylorus), duodenum and jejunum. Common bile duct, duodenal papilla, liver, ileum, mesentery, greater omentum, lung, Meckel diverticulum, colon, appendix, diaphragm, lung, and esophagus are rare sites. Most of them are single and multiple.

How many people have heterotopic pancreas?

1. In the sixth to seventh week of human embryo, when the dorsal and ventral pancreatic primordia rotate and fuse with the superior segment of the length, if one or more pancreatic primordial cells stay in the wall of the gastrium, the pancreatic primordial cells can move away due to the longitudinal growth of the gastrium. The tissue produced by the dorsal pancreatic primordium is carried to the stomach. The ventral pancreatic primordium was taken to jejunum to become ectopic pancreas.

2. If the pancreatic primordium goes deep into the gastrointestinal wall, biliary system, omentum and even spleen, pancreatic tissue will appear in these organs, which is also ectopic pancreas. Most of ectopic pancreas have no clinical manifestation and can be found by chance during operation or examination. Due to the growth in some special locations or other pathological changes, the following six kinds of clinical manifestations can appear

3. In the first type of obstruction, ectopic pancreas growing in the digestive tract can cause the compression or stenosis of the organ, resulting in obstructive symptoms. Hemorrhagic type. Ectopic pancreas causes gastrointestinal bleeding, which may be caused by a patient with hyperemia and erosion of gastrointestinal mucosa around the pancreas. The third is ulcer type, the fourth is epidemic type, the fifth is diverticulum type, the sixth is occult type.

matters needing attention

When the secondary pathological changes of ectopic pancreas cause obvious symptoms, surgical treatment should be performed, such as subtotal gastrectomy, intestinal resection, diverticulectomy, etc. If the lesion is small, partial resection of gastric wall or intestinal wall can be performed, and then the gastric wall or intestinal tube can be sutured.