CT colonography

CT colonography

A computerized tomographic (CT) colonography, or virtual colonoscopy, is a procedure to check for health issues in the digestive tract, including colorectal cancer, using a CT scanner.



Hemorrhoids are swollen veins around the anus. Swelling can be caused by straining to move your bowels, sitting too long on the toilet, or other causes, like pregnancy, obesity, or liver disease.

Clostridioides difficile (C. diff)

Clostridioides difficile, also known as Clostridium difficile, C. difficile or C. diff, is a bacterium that can cause gastrointestinal symptoms, like nausea, watery diarrhea, stomach pain and stomach cramps that may be severe.


Normal colon vs colon with diverticulosis

Diverticulitis is when pockets form in the colon wall and become infected or swollen causing pain, cramping, diarrhea, constipation or fever.

Colorectal cancer (CRC)

Healthy colon progression to colorectal cancer (CRC)

Colorectal cancer is the third most common cancer among men and among women in the U.S. It occurs when precancerous polyps in the colon or in the rectum become cancerous. Signs may include rectal bleeding, blood in the stool or change in bowel movements.



Constipation is when you have infrequent or hard-to-pass bowel movements, have hard stools, or feel like your bowel movements are incomplete.

Crohn’s disease

Normal colon vs colon with Crohns disease

Crohn’s disease is a type of inflammatory bowel disease (IBD). Symptoms include inflammation in the digestive tract, belly pain and cramps, diarrhea, weight loss, and rectal bleeding



A colonoscopy is a procedure performed by a doctor called a gastroenterologist, who uses a colonoscope to look inside the colon and check for diseases like cancer or colitis.

Ulcerative colitis

Ulcerative Colitis

Ulcerative colitis is a type of inflammatory bowel disease (IBD) that affects the colon and rectum, and can cause severe belly pain, cramps, diarrhea and bleeding.

Inflammatory bowel disease (IBD)

Inflammatory bowel disease, or IBD, is characterized by chronic inflammation in the digestive tract. The two main types are ulcerative colitis and Crohn’s disease.