Abstract
Endoscopic evaluation is the main examination in the diagnosis of premalignant and malignant lesions of the gastrointestinal tract. Early diagnosis and treatment are possible by routine screening of people who have risk factors. It is diagnosed in advanced stages during pregnancy because of the pregnancy-associated symptoms masking CRC symptoms. CRC is more common in older ages. Due to the increasing maternal age in recent years, the risk of encountering CRC in pregnancy increases accordingly. Colonoscopy is an essential procedure in diagnosis. The risk and convenience of the procedure are different according to the week of pregnancy. Since the organogenesis of the fetus continues in the first trimester, anesthetic medications increase the risk of abortion with possible teratogenic effects.
Because of the growing uterus in the third trimester, the difficulty of the procedure, the risk of preterm labor due to mechanical pressure, and trauma of the uterus are increased. Endoscopic evaluation is inevitable in cases such as gastrointestinal bleeding, obstruction, and incarceration that will put the life of the mother at risk. If minimally invasive procedures cannot be postponed after delivery, the most reliable time, in this case, is the second trimester. Pregnant women who have endoscopy should be followed carefully. When GIS malignancy is detected during pregnancy, the management is decided according to the gestational week, histological type of malignancy, and the extent of the disease. The prognosis of CRC arising during pregnancy is poor. Early diagnosis is vital. For this purpose, risk groups should be followed closely with effective screening programs. The most effective screening is the colonoscopy. With the use of artificial intelligence in colonoscopy, benign and malignant differentiation of lesions will be made more accurately, and human errors will be minimized.
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Uyar, I. (2021). Colon Polyps, Colonoscopy, and Colorectal Cancer in Pregnancy. In: Engin, O. (eds) Colon Polyps and Colorectal Cancer. Springer, Cham. https://doi.org/10.1007/978-3-030-57273-0_4
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