Arteriovenous malformation in the sigmoid colon of a patient with Cowden disease treated with laparoscopy: a case report

Background Cowden disease is a genetic disorder associated with a mutation of the PTEN gene and is known to be easily complicated by generalized vascular malformations and malignant tumors. However, only a few reports have investigated the relationship between Cowden disease and vascular malformations. We present a case of Cowden disease along with a review of the literature.