Methods By using immunohistochemistry and computer assistant image analysis system, NOS, SOM and 5 HT immunoreactivity were examined in myenteric plexus of sigmoid colon resected from 15 patients with STC.

• 方法 用免疫组织化学法结合计算机辅助的图像分析技术检测15 例STC 患者乙状结肠肌间丛一氧化氮合酶（NOS） 、SOM 及5?HT的免疫反应性变化。