What is General stool examination?
Test Overview A stool analysis is a series of tests done on a stool (feces) sample to help diagnose certain conditions affecting the digestive tract. These conditions can include infection (such as from parasites, viruses, or bacteria), poor nutrient absorption, or cancer.
How many types of stool exams are there?
There are two main types of stool tests to choose from. A fecal occult blood test (FOBT) detects the presence of blood in your feces. The second type, a stool DNA test, detects the presence of genetic material from polyps and cancerous tumors.
Which technique is done in stool examination?
There are three methods used for the concentration of stool: Formalin-ethyl-acetate concentration method. Zinc-floatation method. Sheather sugar floatation method.
What is normal stool report?
Results
Normal: | The stool appears brown, soft, and well-formed in consistency. |
The stool does not contain blood, mucus, pus, undigested meat fibers, harmful bacteria, viruses, fungi, or parasites. | |
---|---|
The stool is shaped like a tube. | |
Abnormal: | The stool is black, red, white, yellow, or green. |
What can be diagnosed from a stool sample?
A stool test can detect many things significant to health: anything from parasite infection to signs of cancer, yeast or bacterial overgrowth, or pathogenic bacteria like C. difficile, Campylobacter and certain strains of E. coli.
What is the best stool test?
The GI-MAP is the most accurate, comprehensive DNA stool analysis on the market.
What is normal stool color?
All shades of brown and even green are considered normal. Only rarely does stool color indicate a potentially serious intestinal condition. Stool color is generally influenced by what you eat as well as by the amount of bile — a yellow-green fluid that digests fats — in your stool.
What is the normal WBC in stool?
WBCs are normally not present in the stool, but can appear with inflammatory diarrhea, symptoms of which include numerous small, loose bowel movements; blood and/or mucus in the stool; severe abdominal cramping; and fever.
What does a positive stool test mean?
An abnormal or positive FIT result means that there was blood in your stool at the time of the test. • A colon polyp, a pre-cancerous polyp, or cancer can cause a positive stool test. With a positive test, there is a small chance that you have early-stage colorectal cancer.
Is stool test accurate?
On average, the review found that FITs catch about 79 percent of colon cancers, and their specificity consistently tops 90 percent. That means the tests accurately give a negative result to more than 90 percent of people who do not have colon cancer.
What is a stool sample called?
Overview. The fecal occult blood test (FOBT) is a lab test used to check stool samples for hidden (occult) blood. Occult blood in the stool may indicate colon cancer or polyps in the colon or rectum — though not all cancers or polyps bleed.