Items tagged “small bowel”

Intestinal malrotation is a congenital anatomical anomaly that results from an abnormal rotation of the gut as it returns to the abdominal cavity during embryogenesis. Although some individuals live their entire life with a malrotated bowel without associated symptoms, the abnormality does pred...

The comb sign refers to the hypervascular appearance of the mesentery in active Crohn disease. Fibrofatty proliferation and perivascular inflammatory infiltration outline the distended intestinal arcades. This forms linear densities on the mesenteric side of the affected segments of small bowel,...

Crohn disease, also known as regional enteritis, is an idiopathic inflammatory bowel disease characterized by widespread discontinuous gastrointestinal tract inflammation. The terminal ileum and proximal colon are most often affected. Extraintestinal disease is common. Epidemiology The diagnos...

Distal intestinal obstruction syndrome (DIOS), formerly known as meconium ileus equivalent, is one of the many abdominal manifestations of cystic fibrosis. In older children or young adults with cystic fibrosis, the distal small bowel may become obstructed with a mucofaeculent material in the di...

Jejunal atresia is a congenital anomaly characterized by obliteration of the lumen of the jejunum. The site of the atresia can be anywhere from the ligament of Treitz to the jejunoileal junction. There can be more than one atretic segment. This article will focus on jejunal atresia alone but be...

The whirlpool sign of the mesentery, also known as the whirl sign, is seen when the bowel rotates around its mesentery leading to whirls of the mesenteric vessels.  Terminology The term whirlpool sign is used in other contexts: see whirlpool sign (disambiguation). Radiographic features It is...

Gastrointestinal manifestations of scleroderma can occur in up to 90% of patients with scleroderma 2 with the most common site of gastrointestinal involvement being the esophagus. After skin changes and Raynaud phenomenon, gastrointestinal changes are the third most common manifestation of scler...