Fecal Immunochemical Test (FIT)

Product Description

Price: 30 د.ا

The Fecal Immunochemical Test (FIT) is a non-invasive screening tool used to detect hidden blood in the stool, which can be an early indicator of colorectal cancer and other gastrointestinal conditions. This article provides an in-depth look at the FIT test, including its function, normal ranges, implications of test results, and frequently asked questions.

Function in the Body

The FIT test is designed to detect human hemoglobin (a protein in red blood cells) in the stool. Unlike older guaiac-based fecal occult blood tests (gFOBT), the FIT specifically targets human blood, making it more accurate and reducing the likelihood of false positives from dietary sources.

Normal Ranges in Males, Females, and Children

The FIT test results are usually reported as either negative or positive. There is no significant variation in normal ranges between males, females, and children. A negative FIT result indicates that no blood was detected in the stool, while a positive result indicates the presence of blood, which warrants further investigation.

Symptoms of Deficiency

The concept of a “deficiency” is not applicable to the FIT test, as it is a diagnostic tool rather than a nutrient or substance required by the body.

Symptoms of Overdose

Similarly, “overdose” is not relevant in the context of the FIT test. The test involves the analysis of a stool sample and does not introduce any substances into the body.

Diagnosis

A positive FIT result suggests the presence of blood in the stool, which can be a symptom of several conditions, including:

– Colorectal cancer

– Polyps in the colon or rectum

– Inflammatory bowel disease (IBD)

– Hemorrhoids

– Anal fissures

 

It is important to note that a positive FIT result does not necessarily mean that a person has colorectal cancer. Further diagnostic procedures, such as a colonoscopy, are required to determine the exact cause of the bleeding.

More Information

The FIT test is recommended as part of routine screening for colorectal cancer, particularly for individuals aged 50 and older or those with a family history of colorectal cancer. The test is simple to use at home, involves no dietary restrictions, and requires only a small sample of stool.

Advantages of FIT

– Non-invasive and easy to use

– No dietary or medication restrictions

– More specific to human blood than gFOBT

Limitations of FIT

– May not detect all cases of colorectal cancer

– False positives can occur, necessitating follow-up procedures

Frequently Asked Questions

Q: How often should I take the FIT test?

A: It is generally recommended to take the FIT test annually, especially for individuals over 50 or those with a higher risk of colorectal cancer.

 

Q: Is a positive FIT result always indicative of cancer?

A: No, a positive FIT result indicates the presence of blood in the stool, which can be due to various conditions, not just cancer. Follow-up testing is necessary to determine the cause.

 

Q: Can I take the FIT test if I have my menstrual period?

A: It is advisable to avoid taking the FIT test during your menstrual period to prevent contamination of the sample with menstrual blood, which could lead to a false positive result.

 

Q: Is there any preparation required for the FIT test?

A: Unlike some other stool tests, the FIT test does not require any special dietary restrictions or medication adjustments before sample collection.

 

Q: What should I do if I receive a positive FIT result?

A: If you receive a positive FIT result, contact your healthcare provider for further evaluation, which may include a colonoscopy or other diagnostic procedures to determine the source of the bleeding.

How Dangerous is a Positive FIT Result and Why?

A positive FIT result can be concerning because it indicates the presence of blood in the stool, which can be a symptom of serious conditions like colorectal cancer. Colorectal cancer is a leading cause of cancer-related deaths, but it is highly treatable if detected early. Therefore, a positive FIT result should be followed up promptly with additional testing to rule out or confirm the presence of cancer or other gastrointestinal conditions.

Early detection through screening tools like the FIT test significantly improves the chances of successful treatment and survival. Ignoring a positive FIT result or delaying further diagnostic procedures can allow potential conditions to progress to more advanced stages, making them harder to treat and reducing survival rates.

Conclusion

The FIT test is a valuable tool in the early detection of colorectal cancer and other gastrointestinal conditions. Regular screening, particularly for those at higher risk, can save lives by identifying potential issues early when they are most treatable. If you receive a positive FIT result, it is crucial to seek further medical evaluation to determine the cause and appropriate treatment. Regular communication with your healthcare provider about screening and risk factors can help maintain good gastrointestinal health and catch potential issues early.

  • Function in the Body

  • Symptoms of Deficiency

  • Symptoms of Overdose

  • Diagnosis

  • More Information

Frequently Asked Questions

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