Lubrano and others published volvulus du sigmoide find, read and cite all the research you need on researchgate. Intestinal volvulus is a broad term that describes the torsion of bowel around its mesentery. Volvulus twisting of the colon volvulus occurs when the intestine twists around itself and the mesentery that supports it, creating an obstruction. No predisposing factors were identified in the remaining 211 97.
Symptoms include abdominal pain, abdominal bloating, vomiting, constipation, and bloody stool. This website is intended for pathologists and laboratory personnel, who understand that medical information is imperfect and must be interpreted using reasonable medical judgment. My cases submit a new case create a channel custom workshops my cases submit a new case create a channel custom workshops author channel medical imaging of the abdomen. Sigmoid volvulus is the most common volvulus of the gi tract and it is an important topic to understand for your exams and for life as a new doctor. A classic appearance is absent on approximately one half of scanograms and one fourth of ct scans. Les volvulus du colon sont une cause rare mais grave docclusion colique organique. The area of intestine above the obstruction continues to function and fills with food, fluid, and gas. Nonoperative management of the sigmoid volvulus case presentation socea et al 620 vol. Volvulus of other portions of the alimentary tract, such as the stomach, gallbladder, small bowel, splenic flexure, and transverse colon, are rare. Le volvulus recidive cinq jours apres lendoscopie, necessitant une nouvelle colo exsufflation avec detorsion. The full text of this article is available in pdf format. Sigmoid volvulus is thought to account for 25% of cases of largebowel obstruction in the united states, which places it third in prevalence after cancer and diverticulitis.
To report the results of treatment of sigmoid volvulus in the national hospital of niamey and to propose a therapeutic classification. Determine the frequency of sigmoid colon volvulus, describe clinical and paraclinical signs. Torsion results in narrowing of the lumen at the point of rotation and compromise of the vessels that supply the torted gut. It remains a rare but important intestinal obstruction 1, 3. Use of new signs that model the pathophysiologic characteristics of volvulus xmarksthespot sign for more complete twisting and splitwall sign for less severe twisting may.
Volvulus du sigmoide, volvulus mesentericoaxial, volvulus organoaxial, occlusion intestinale. We report two cases treated in the general surgery department of sikasso hospital between january 2009 and december 2017. Sigmoid volvulus on pregnancy is a rare surgical emergency. In order for a vessel to be compressed and obstructed, the force that the torsion imparts on the vessel needs to be greater. Sigmoid volvulus is a cause of large bowel obstruction and occurs when the sigmoid colon twists on its mesentery, the sigmoid mesocolon. Cecal volvulus, twisting of the cecum, the pouch connecting the small and large intestines and ascending colon, occurs less frequently. Diagnostic tests for sigmoid volvulus include xrays, upper or lower gi series, ct scans and flexible sigmoidoscopy in. What is the difference between sigmoid and cecal volvulus. The sigmoid volvulus is an acute strangulation of the colon by the twisting of the sigmoid loop around its mesenteric axis resulting in partial or complete obstruction of the colonic lumen. This was a retrospective descriptive study realized in the. Cecal volvulus takes place due to the torsion caused in the cecum area extension of the volvulus sigmoid volvulus can only move upwards and goes to the right upper quadrant. Recurrent volvulus occurred in 6 of these patients. The mesentery may become so tightly twisted that blood flow to part of the intestine is cut off, resulting in ischemic bowel.
Pdf prise en charge du volvulus du colon sigmoide en milieu. It is a very common cause of large bowel obstruction in peru and bolivia due to high altitude. Sigmoid volvulus has a spectrum of imaging findings. Sigmoid volvulus is abnormal twisting of the sigmoid colon along its mesenteric axis that causes closedloop obstruction and can lead to ischemia, perforation, and death. Article pdf available january 2010 with 2,359 reads how we measure reads. The 2 patients were referred to us by gynecologistobstetricians. Prise en charge actuelle du volvulus du sigmoide en milieu tropical. It is related to but not precisely synonymous with malrotation, a more general term used when the normal process of rotation and fixation of the midgut goes awry. It is a common cause of bowel obstruction and constipation. Sigmoid volvulus is a rare condition in children but should be a differential diagnosis of intense abdominal pain. Sigmoide volvulus on pregnancy in the general surgery. Laparotomy was carried out in 36 patients and colonie gangrene. Large bowel volvulus accounts for 5% of all large bowel obstructions, with 60% of intestinal. It is the most common intestinal volvulus and is an absolute medical and surgical emergency.
Intestinal volvulus is defined as a complete twisting of a loop of intestine around its mesenteric attachment site. Prompt diagnosis and proper treatment generally results in a successful outcome. In pediatrics, it is most often associated with congenital anomalies of the fixation of the colon a redundant sigmoid colon with a short mesenteric axis, a longstanding history of constipation, or hirschsprung dis ease 1, 36. If you would like a large, unwatermarked image for your web page or. The computed tomographic appearance of volvulus in intestinal malrotation in an adult is presented. Volvulus du sigmoide traitement endoscopique traitement chirurgical. The diagnosis was made in 39 patients from the presenting features and abdominal radiographs. The most common sites of volvulus are the sigmoid colon and cecum. Fifty patients presenting with acute volvulus of the sigmoid colon have been analyzed. Colon volvulus digestive diseases i ohio state medical. Volvulus refers to torsion of a segment of the alimentary tract, which often leads to bowel obstruction. Sigmoid volvulus is a lifethreatening condition that results from the rotation of the sigmoid colon on its mesenteric axis leading to a closedloop obstruction.
Deflation by sigmoidoscopy and flatus tube was performed in 19 patients with initial success in 15. You may not embed one of our images on your web page without a link back to our site. Les volvulus du colon sont une cause rare maispotentiellement grave docclusion mecanique du colon. A volvulus is when a loop of intestine twists around itself and the mesentery that supports it, resulting in a bowel obstruction. Computed tomographic diagnosis of volvulus in intestinal.