Introduction Gastrointestinal stromal tumors(GISTs)in adults are nearly 10%–30%with a potential malignant tendency[1].Colorectal GISTs account for 5%of all cases and have a higher progression risk with a poor prognos...Introduction Gastrointestinal stromal tumors(GISTs)in adults are nearly 10%–30%with a potential malignant tendency[1].Colorectal GISTs account for 5%of all cases and have a higher progression risk with a poor prognosis[2,3].Rectal GISTs usually need radical operations such as laparoscopy to obtain tumor-free margins.Sometimes,it is difficult for surgery to preserve the anal function because of the tumor size and location.Here,we report a case of a 70-year-old female with a giant GIST located in the lower rectum,which was removed by function-preserving endoscopic minimally invasive resection after routine imatinib therapy.展开更多
文摘Introduction Gastrointestinal stromal tumors(GISTs)in adults are nearly 10%–30%with a potential malignant tendency[1].Colorectal GISTs account for 5%of all cases and have a higher progression risk with a poor prognosis[2,3].Rectal GISTs usually need radical operations such as laparoscopy to obtain tumor-free margins.Sometimes,it is difficult for surgery to preserve the anal function because of the tumor size and location.Here,we report a case of a 70-year-old female with a giant GIST located in the lower rectum,which was removed by function-preserving endoscopic minimally invasive resection after routine imatinib therapy.
