Items tagged “colon”

88 results found
Article

Colorectal carcinoma

Colorectal carcinoma (CRC) is the most common cancer of the gastrointestinal tract and the second most frequently diagnosed malignancy in adults. CT and MRI are the modalities most frequently used for staging. Surgical resection may be curative although five-year survival rate is 40-50%. Epidem...
Article

Discrete colonic ulceration

Discrete colonic ulcerations are nonspecific findings, and can be due to: Crohn disease infective colitis Yersinia entercolitis shigellosis tuberculosis cytomegalovirus (CMV) amoebic colitis vasculitic colitis Behcet disease
Article

Epiploic appendagitis

Epiploic appendagitis is a rare self limiting inflammatory/ischaemic process involving an appendix epiploica of the colon, and may either be primary or secondary to adjacent pathology. This article pertains to primary (spontaneous) epiploic appendagitis. The term along with omental infarction is...
Article

Hinchey classification of acute diverticulitis

E J Hinchey et al. 3 proposed a classification for acute diverticulitis, that has been variously adapted, and is useful not only in academia but also in outlining successive stages of severity. Classification stage 1a: phlegmon stage 1b: diverticulitis with pericolic or mesenteric abscess st...
Article

Hirschsprung disease

Hirschsprung disease is the most common cause of neonatal colonic obstruction (15-20%). It is commonly characterised by a short segment of colonic aganglionosis affecting term neonates, especially boys.  Epidemiology Hirschsprung disease affects approximately 1:5000-8000 live births. In short ...
Article

Ischaemic colitis

Ischaemic colitis refers to inflammation of the colon secondary to vascular insufficiency and ischaemia. It is sometimes considered under the same spectrum as intestinal ischaemia. The severity and consequences of the disease are highly variable. Epidemiology Ischaemic bowel is typically a dis...
Case

Pneumatosis coli

 Diagnosis almost certain
Dr Gagandeep Singh
Published 28 Jan 2009
56% complete
CT
Article

Transverse colon

The transverse colon is the longest and most mobile part of the large intestine. It measures up to 45 cm in length.  Gross anatomy The transverse colon is the continuation of the ascending colon from the right colic flexure. It passes from the right to left hypochondrium in a downward convex p...
Article

Colonic diverticulosis

Colonic diverticulosis refers to the presence of multiple diverticula. It is quite distinct from diverticulitis which describes inflammation and infection of one or multiple diverticula. Epidemiology Diverticulosis is very common in westernised countries and is typically found in older individ...
Case

Colonic diverticula - widespread

Sigmoid colon
 Diagnosis certain
Dr Jeremy Jones
Published 04 May 2009
97% complete
Barium
Article

Large bowel obstruction

Large bowel obstruction (LBO) are often impressive on imaging, on account of the ability of the large bowel to massively distend. This condition requires prompt diagnosis and treatment.  Epidemiology Large bowel obstructions are far less common than small bowel obstructions, accounting for onl...
Article

Clostridium difficile colitis

Clostridium difficile colitis, also known as pseudomembranous colitis, is a common cause of antibiotic-associated diarrhoea, and increasingly encountered in sick hospitalised patients. If undiagnosed and untreated, it continues to have high mortality. It may be classified as a form of infectious...
Article

Antibiotic-associated diarrhoea

Antibiotic-associated diarrhoea can be broadly divided into two groups: Clostridium difficile colitis non-specific diarrhoea The former is a life-threatening condition, requiring prompt diagnosis and treatment whereas the later is milder and self-limiting.  Both result from changes in the bo...
Case

Pseudomembranous colitis

 Diagnosis almost certain
Dr Natalie Yang
Published 17 Aug 2009
78% complete
CTAnnotated image
Case

Colorectal cancer: Dukes D

 Diagnosis almost certain
Dr Natalie Yang
Published 19 Aug 2009
50% complete
CT
Article

Ulcerative colitis

Ulcerative colitis is an inflammatory bowel disease that not only predominantly affects the colon, but also has extraintestinal manifestations. Epidemiology Typically ulcerative colitis manifests in young adults (15-40 years of age) and is more prevalent in males but the onset of disease after...
Case

Ulcerative colitis and perianal abscess

 Diagnosis almost certain
Dr Natalie Yang
Published 22 Aug 2009
62% complete
CTMRIX-ray
Case

Sigmoid carcinoma with colovesical fistula

CRC with colovesi...
 Diagnosis almost certain
Dr Natalie Yang
Published 30 Aug 2009
68% complete
CT
Article

Colovesical fistula

Colovesical fistulas are communications between the lumen of the colon and that of the bladder, either directly or via an intervening abscess cavity (foyer intermediaire). When the communication is between the rectum and urinary bladder, the term rectovesical fistula is used. Epidemiology The ...
Case

Paraumbilical hernia containing large bowel

 Diagnosis almost certain
Dr Natalie Yang
Published 02 Sep 2009
50% complete
CT

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