Mar 23, 2020 · Intestinal volvulus is a broad term that describes the torsion of bowel around its mesentery. Torsion results in narrowing of the lumen at the point of rotation and compromise of the vessels that supply the torsed gut.

Mar 22, 2025 · Sigmoid volvulus is differentiated from a cecal volvulus by its ahaustral wall, the lower end pointing to the pelvis and large bowel obstruction. Plain radiograph. Abdominal radiographs will show a large, dilated loop of the colon, often with a few gas-fluid levels. Specific signs include: coffee bean sign 5

Sep 18, 2024 · On axial CT images, cecal volvulus is suggested by the extreme dilatation of the cecum. When seen on conventional radiographs or tomograms, the cecal volvulus is seen as a rounded focal collection of air-distended bowel with haustral creases in the upper left quadrant.

Aug 7, 2024 · The following points may be helpful to distinguish between sigmoid volvulus and cecal volvulus on plain radiographs. Sigmoid volvulus. arises in the pelvis (left lower quadrant) extends towards the right upper quadrant. ahaustral in appearance

Grossly-dilated loop of large bowel has a 'coffee-bean shape' and the descending colon tapers in its inferior portion in keeping with a sigmoid volvulus. Normally positioned cecum and ascending colon. Air-fluid levels on erect projection.

Abdomen Xray Amiri KBR residents by Ahmed Samir; UQ Radiology video tutorial: Abdo: Caecal versus sigmoid volvulus by Craig Hacking Aunt by Anthi; PLAIN FILMS FOR MRCP by Shofiq Al-Islam; Imágenes del Abdomen by Silvana F Ciardullo; ALL by Andrew Mironenkov; RADIOLOGY EMERGENCY by Ahmed Hamdy Mhsb; abdomen by Sumit Bhardwaj; Abdo by Alborz ...

Sep 18, 2024 · On axial CT images, caecal volvulus is suggested by the extreme dilatation of the caecum. When seen on conventional radiographs or tomograms, the caecal volvulus is seen as a rounded focal collection of air-distended bowel with haustral creases in the upper left quadrant.

Nov 14, 2024 · Gastric volvulus is a specific type of volvulus that occurs when the stomach twists on its mesentery. It should be at least 180° and cause bowel obstruction to be called gastric volvulus. Merely gastric rotation on its root is not considered gastric volvulus.

Sigmoid volvulus is a major cause of intestinal obstruction, mostly seen in the elderly. 60% of intestinal volvulus involve the sigmoid colon. Multiple signs of sigmoid volvulus are seen in abdominal X-rays and CT scans.

Gastrografin enema confirms the diagnosis of sigmoid volvulus with a classic beaked appearance of contrast termination at the site of volvulus.