spontaneous perforation of the sigmoid colon or rectom is defined as a sudden perforation of the colon in the absence of diseases such as tumors, diverticulosis or external injury. it is a very rare finding, and if neglected, results in severe peritonitis and high mortality. the causes of this rare condition are numerous, and in this case it might be due to the chronic constipation induced by a...

Situs inversus totalis (SIT) is not itself a premalignant condition, however, rare synchronous or metachronous multiple primary malignancies have been reported. Herein we present a case of synchronous transverse and sigmoid colon cancers and a case of metachronous rectosigmoid colon and gastric cancers in patients with SIT.A 66-year-old male with SIT was referred for a two-month history of hema...

We present the case of an 82-year-old man diagnosed with rectosigmoid cancer and liver metastasis who survived for 19 years following treatment. At the age of 64, the patient twice experienced mucus excretion for which he underwent a colonoscopy that resulted in a diagnosis of rectosigmoid cancer the patient underwent surgery for resection of the tumor and liver metastasis.  Histopathology was ...

Purpose. This paper intends to expose and discuss the technical aspects of the transanal endorectal rectosigmoidian resection in children. Colic resection and coloanal anastomosis technique may be performed by totally endoanal or combined endoanal and laparoscopic approach for the mobilization and devascularization of the colon. Both techniques have, as a common surgical stage, the suprasphinct...

A 82-year-old man has been followed in our oncology hospital after prostatic cancer and prostatectomy. He was medicated with gonadotropin releasing hormone superagonist goserelin and olmesartan for arterial hypertension. Due to the recent installation of orthopnea, a chest X-ray was carried out, revealing a mass in the right hilar region which was subsequently characterized as right hilar and m...

Appendix epiploicae are normal, fat-filled outpouchings of peritoneum arising from the serosal surface of the colon. They occur anywhere from the cecum to the rectosigmoid junction. They vary in size up to 5-cm in length and 2-cm in width. In the normal abdomen, they are indistinguishable by computerized tomography (CT) from other pericolic fat in the mesocolon, omentum, or retroperitoneum. App...

A 58-year-old woman presented to her physician with rectal bleeding and intermittent diarrhea. Optical colonoscopy revealed a bulky tumor which was diagnosed as rectal cancer. She was referred to our institution for further evaluation and treatment. Slim optical colonoscopy showed an obstructive cancer in the rectosigmoid junction and no information of the proximal side of the obstruction. The ...

Aim. To study the efficacy and other treatment outcomes of Ovesco clip closure of iatrogenic perforation. Methods. Retrospective study from 3 tertiary-care hospitals in Thailand. Patients with iatrogenic perforation who underwent immediate endoscopic closure by Ovesco clip were included. Patients' demographic data, perforation size, number of Ovesco clips used, fasting day, length of hospital s...

INTRODUCTION Intussusception in adults is a rare condition, accounting for just 5% of all cases. Approximately 50% of cases of large intestine intussusception occur due to a malignant neoplasm. We present here a novel case report of colo-rectal intussusception arising secondary to a primary rectal melanoma. PRESENTATION OF CASE We present the case of an 85 year-old patient, who underwent a co...