Gastrectomy

 

Partial gastrectomy

• removal of part of the stomach

 

Sleeve gastrectomy

• removal of the left side of the stomach (usually performed for weight loss)

 

Antrectomy (30% resection)

• antrum: initial portion of the pylorus

• Gastrin is a peptide hormone that stimulates secretion of gastric acid (HCl) by the parietal cells of the stomach and aids in gastric motility

  • released by G cells in the pyloric antrum of the stomach, duodenum, and the pancreas

• with truncal vagotomy as one of the surgical procedures for duodenal ulcer or pyloric channel ulcer

Hemigastrectomy (50% resection)

Subtotal gastrectomy (80% resection