乙状结肠海绵状血管瘤一例孙树范，胡锦良患者女，２５岁。自１２岁起间歇性便血，近１年余多次反复发作，伴头晕，乏力。血便有时为鲜红色并伴少许泡沫样物；有时为紫黑色，粘稠；劳累后上述症状加重。腹胀，左下腹发现肿块。外地就诊曾多次按＂阿米巴痢疾＂治疗。体检：... A case of cavernous hemangioma of the sigmoid colon, Sun Shufan, female patient of Hu Jinliang, 25 years old. Intermittent blood in the stool since the age of 12 has experienced repeated episodes in the past 1 year, with dizziness and fatigue. Bloody stools are sometimes bright red with a little foam-like substance; sometimes it is purple-black, thick and sticky; these symptoms worsen after exertion. Bloating, a lump was found in the left lower abdomen. Field visits have been treated several times according to “Amebic dysentery.” Physical examination:...