Items tagged “colon”
105 results found
Article
Colorectal cancer
Colorectal cancer (CRC) is the most common cancer of the gastrointestinal tract and is one of the most frequently diagnosed malignancies in adults. CT is the mainstay for colon cancer locoregional staging and MRI is the mainstay for rectal cancer locoregional staging.
This article focuses on co...
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 ischemic/inflammatory process that affects the appendices epiploicae 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 infarct...
Article
Hinchey classification of acute diverticulitis
The Hinchey classification for acute diverticulitis (anywhere along the bowel, not just the colon) has been variously adapted and modified since its original description, and is useful not only in academia but also in outlining successive stages of severity 3,5,6. Adoption and utility of the va...
Article
Hirschsprung disease
Hirschsprung disease is the most common cause of neonatal colonic obstruction (15-20%). It is commonly characterized 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
Ischemic colitis
Ischemic colitis refers to inflammation of the colon secondary to vascular insufficiency and ischemia. It is sometimes considered under the same spectrum as intestinal ischemia. The severity and consequences of the disease are highly variable.
Epidemiology
Ischemic bowel is typically a disease...
Case
Ascending colon lipoma
Published
07 May 2008
65% complete
CT
Case
Pneumatosis coli
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...
Case
Cecal volvulus
Published
23 Mar 2009
65% complete
CT
Case
Inguinal hernia
Published
30 Mar 2009
77% complete
CT
Article
Colonic diverticulosis
Colonic diverticulosis (plural: diverticuloses) 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 typical...
Case
Colonic diverticula - widespread
Published
04 May 2009
97% complete
Barium
Article
Large bowel obstruction
Large bowel obstruction (LBO) is often impressive on imaging, on account of the ability of the large bowel to massively distend. This condition requires prompt diagnosis and treatment.
Terminology
Bowel obstruction may be complete or incomplete 6:
complete or high grade obstruction means tha...
Article
Clostridioides difficile colitis
Clostridioides difficile colitis, also known as pseudomembranous colitis and previously known as Clostridium difficile colitis 10, is a common cause of antibiotic-associated diarrhea, and increasingly encountered in sick hospitalized patients. If undiagnosed and untreated, it continues to have h...
Article
Antibiotic-associated diarrhea
Antibiotic-associated diarrhea can be broadly divided into two groups:
Clostridioides difficile colitis
non-specific diarrhea
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 b...
Case
Pseudomembranous colitis
Published
17 Aug 2009
83% complete
Annotated image
CT
Case
Colorectal cancer - Dukes D
Published
19 Aug 2009
74% complete
CT
Article
Ulcerative colitis
Ulcerative colitis (UC) is an inflammatory bowel disease (IBD) that not only predominantly affects the colon, but also has extra-intestinal manifestations.
Epidemiology
Typically ulcerative colitis manifests in young adults (15-40 years of age) and is more prevalent in males but the onset of d...
Case
Ulcerative colitis and perianal abscess
Published
22 Aug 2009
62% complete
MRI
X-ray
CT