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

我们随机将病人分配致内壶腹部胰引流组或外科胰空肠吻合组。

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（后壶腹神）和后半规是应用于难治性良性阵发性位置性眩晕的两种特殊的手治疗技。