十二指肠乳头螺旋CT表现及分型研究

Preliminary study of spiral CT manifestations and typing of the normal duodenal papillae

目的：分析低张下正常十二指肠乳头的螺旋CT表现并行分型,为研究十二指肠乳头病变提供重要参照。方法：回顾分析经病理或随访证实的正常十二指肠乳头病例45例,年龄18-70岁,男性组28例,女性组17例,对其螺旋CT表现进行分析及分型。结果：十二指肠乳头的最大横径为（0.42±0.23）cm,男性组和女性组之间差异无显著性意义。正常十二指肠乳头可分为乳头型、半圆型和扁平型。结论：低张下螺旋CT扫描可以很好地显示十二指肠乳头,对其CT影像进行分型有助于十二指肠乳头病变的鉴别诊断。

Objective：To analyze the spiral CT manifestations and typing of the normal papillae in hypotonic duodenum in order to provide an important reference for diagnosing the diseases of duodenal papilla.Methods：Forty-five cases of normal duodenal papillae studied with hypotonic spiral CT confirmed by pathology and follow-up were retrospectively analyzed.There were 28 male cases and 17 female cases（the age ranging from 18 to 70 years）.The typing was performed based on the imaging features of the normal duodenal papillae.Resuts：The maximum diameter of duodenal papilla was（0.42±0.23）cm.There was no significant difference between the sizes of the duodenal papillae in male group and female group.The normal duodenal papillae were divided into three types as follows：papillary,semicircular,and flat types.Conclusion：The normal duodenal papillae can be clearly demonstrated by hypotonic spiral CT.Thus,CT typing of this structure could perhaps play a helpful role in the differential diagnosis of the diseases of duodenal papilla.