2 types of ileus
obstruction of the small intestine.
Paralytic :peristalsis stops
mechanical obstruction: physical blockage of bowel - tumors, adhesions, or hernia.
Intestinal loops proximal to site of obstruction are markedly dilated with gas.
Dilation produces radiographic sign commonly called the “circular staircase or herringbone” pattern,
inflammation in small intestine
Usually occurs in the ileum, but it can affect any part of the digestive tract, from the mouth to the anus.
Inflammation extends deep into the lining of the affected organ.
Can cause pain & diarrhoea
a form of malabsorption disease (sprue) : affects proximal small bowel, especially the proximal duodenum & increased ileal folds
It commonly involves the insoluble protein (gluten) found in cereal grains(se.g. wheat, barley, and rye).
inflammatory condition of the large intestine.
Intestinal mucosa can appear rigid & thick &haustral markings may be missing along involved segment
seen during BE as multiple ring-shaped filling defects that create a “cobblestone” appearance along the mucosa the mucosal wall
outpouching of the mucosal wall
Patient may develop peritonitis if a diverticulum perforates mucosal wall.
growth benign or malignant
telescoping or invagination of one part of intestine into another
twisting of a portion of intestine on its own mesentery, leading to a mechanical obstruction.
leads to obstruction and necrosis -> decreased blood flow