ampullary

We randomly assigned patients to undergo endoscopic trans ampullary drainage of the pancreatic duct or operative pancreaticojejunostomy.

们随机将病人分配致内镜下壶腹部胰引流组或外科胰吻合术组。

Singular neurectomy (posterior ampullary nere transsection) and posterior semicircular canal occlusion are the 2 specific techniques used in intractable BPP surgery.

单纯神切除术（后壶腹神）和后半规闭塞术是应用于难治性良性阵发性位置性眩晕的两种特殊的手术治疗技术。