粪便涂片

定义

粪便涂片 is a laboratory test of a stool sample. This test is done to check for bacteria and 寄生虫. Presence of organisms in stool shows diseases in the digestive tract.

选择的名字

粪便涂片

How the Test is Performed

A stool sample is needed.

There are many ways to collect the sample. You can collect the sample:

• On plastic wrap: Place the wrap loosely over the toilet bowl so that it is held in place by the toilet seat. Put the sample in a clean container given to you by your health care provider.
• In a test kit that supplies a special toilet tissue: Put the sample in a clean container given to you by your provider.

Do not mix urine, water, or toilet tissue with the sample.

For children wearing diapers:

• Line the diaper with plastic wrap.
• Position the plastic wrap so that it will prevent urine and stool from mixing. This will provide a better sample.
• Put the sample in a container given to you by your provider.

Make sure you follow your provider's instructions for returning the sample. Return the sample to the lab as soon as possible.

The stool sample is sent to a lab where a small amount is placed on a slide. The slide is placed under a microscope and checked for the presence of bacteria, 真菌, 寄生虫, 或病毒. A stain may be placed on the sample that highlights certain germs or cells under the microscope.

How to Prepare for the Test

There is no preparation needed.

How the Test will Feel

There is no discomfort.

Why the Test is Performed

Your provider may order this test if you have severe 腹泻 that will not go away or that keeps returning. The test result may be used to select the correct antibiotic treatment.

正常的结果

A normal result means there are no disease-causing germs or abnormal cells present.

Normal value ranges may vary slightly among different labs. Talk to your provider about the meaning of your test results.

What Abnormal Results Mean

An abnormal result means that abnormal germs or cells have been found in the stool sample. This may be due to an infection of the digestive tract.

风险

There are no risks associated with a fecal smear.

参考文献

DuPont HL, Okhuysen PC. Approach to the patient with suspected enteric infection. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26日艾德. Philadelphia, PA: Elsevier; 2020:chap 267.

Plourde AR, Beavis KG. Specimen collection and handling for diagnosis of infectious diseases. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 24日艾德. Philadelphia, PA: Elsevier; 2022:chap 66.

Siddiqi HA, Rabinowitz S, Axiotis CA. Laboratory diagnosis of gastrointestinal and pancreatic disorders. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 24日艾德. Philadelphia, PA: Elsevier; 2022:chap 23.

Wojewoda CM, Stempak LM. Medical bacteriology. In: McPherson RA, Pincus MR, eds. Henry's Clinical Diagnosis and Management by Laboratory Methods. 24日艾德. Philadelphia, PA: Elsevier; 2022:chap 57.