title: Role of self expandable stents in management of colorectal cancers.
abstract: Acute malignant colorectal obstruction is a complication of colorectal cancer that can occur in 7%-29% of patients. Self-expanding metallic stent placement for malignant colorectal obstruction has gained popularity as a safe and effective procedure for relieving obstruction. This technique can be used in the palliation of malignant colorectal obstruction, as a bridge to elective surgery for resectable colorectal cancers, palliation of extracolonic malignant obstruction, and for nonmalignant etiologies such as anastomotic strictures, Crohn's disease, radiation therapy, and diverticular diseases. Self-expanding metallic stent has its own advantages and disadvantages over the surgery in these indications. During the insertion of the self-expanding metallic stent, and in the follow-up, short term and long term morbidities should be kept in mind. The most important complications of the stents are perforation, stent obstruction, stent migration, and bleeding. Additionally, given the high risk of perforation, if a patient is treated or being considered fortreatmentwith antiangiogenic agents such as bevacizumab, it is not recommended to use self-expanding metallic stent as a palliative treatment for obstruction. Therefore, there is a need for careful clinical evaluation for each patient who is a candidate for this procedure. The purpose of this review was to evaluate self-expanding metallic stent in the management of the obstruction of the colon due to the colorectal and extracolonic obstruction.
authors.affiliation: Erdinc Cetinkaya, Department of General Surgery, Ankara Numune Education and Training Hospital, 06100 Sıhhiye, Ankara, Turkey.
authors.forename: Erdinc
authors.initials: E
authors.lastname: Cetinkaya
authors.affiliation: Erdinc Cetinkaya, Department of General Surgery, Ankara Numune Education and Training Hospital, 06100 Sıhhiye, Ankara, Turkey.
authors.forename: Ahmet Bulent
authors.initials: AB
authors.lastname: Dogrul
authors.affiliation: Erdinc Cetinkaya, Department of General Surgery, Ankara Numune Education and Training Hospital, 06100 Sıhhiye, Ankara, Turkey.
authors.forename: Mehmet Bulent
authors.initials: MB
authors.lastname: Tirnaksiz
keywords: Colorectal cancer; Extracolonic obstruction; Metallic stents; Obstruction; Self-expandable