Items tagged “bowel”
5 results found
Article
Tumors of the small intestine
The small intestine is rarely the site of malignant tumors, although it accounts for ~75% of the entire length of the GI tract and more than 90% of the mucosal surface. Approximately 40 different histologic tumor types have been described.
In this article, an overview will be given of the most...
Article
Ascending colon
The ascending colon is the second part of the large bowel.
Gross anatomy
The ascending colon is the continuation of the cecum superior to the ileocecal valve. It is secondarily retroperitoneal, although it has its own mesentery in approximately 25% of patients and is 15 cm in length 1,2.
The ...
Article
Sigmoid volvulus vs cecal volvulus
The following points may be helpful to distinguish between sigmoid volvulus and cecal volvulus on plain film.
Sigmoid volvulus
arises in the pelvis (left lower quadrant)
extends towards the right upper quadrant
ahaustral in appearance
sigmoid volvulus causes obstruction of the distal large ...
Article
Bowel wall calcification
Bowel wall calcification is not common and can occur secondary to various mechanisms due to benign, premalignant, or malignant lesions.
The differential diagnoses include:
mucinous adenocarcinoma
gastrointestinal stromal tumor (GIST)
metastatic calcification - due to renal failure
hemangio...
Article
Bowel wall fat deposition
Bowel wall fat deposition refers to the infiltration of the submucosa with fat and usually occurs in chronic processes such as inflammatory bowel disease, causing characteristic fat halo sign on CT images.
Other differential diagnoses include:
normal variant - particularly in obese patients w...
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