0　引言　 1999- 0 4以来我科收治结直肠癌 2 1例 ,其中 1例术中发现及术后病理证实为多发性原发性同时性四重癌 ,现报告如下 .1　病例报告　患者 ,女性 ,6 9岁 ,陕西籍 .主因左下腹包块 8mo,加重伴疼痛 0 .5 mo于 1999- 0 4- 2 8入院 .缘于 8mo前无意中发现左下腹有约鸡蛋样大 0 Introduction Since 1999-04, 21 cases of colorectal cancer were admitted to our department, of which 1 case of intraoperative findings and postoperative pathology confirmed as multiple primary simultaneous tetraloma, are as follows.1 cases reported patients, women , 69 years old, Shaanxi, mainly due to left lower quadrant mass 8mo, aggravated with pain 0.55 months in 1999- 0 4- 2 8 admission due to unintentional found in 8mo left lower quadrant about egg-like