Stain, Periodic Acid-Schiff (PAS) | Test Cost In Hyderabad
The Periodic Acid Schiff (PAS) stain is a histology procedure used to detect polysaccharides such as glycogen, and mucosubstances such as glycoproteins, glycolipids and mucins in tissues. The PAS stain works by oxidizing the polysaccharides to form aldehyde residues. These residues then react with the Schiff reagent to give a purple/magenta color. It's particularly useful in diagnosing certain medical conditions, such as fungal infections and disorders affecting the liver, kidney, and lung tissues.
|Periodic Acid Schiff (PAS) Stain
|Bone marrow/ Blood/ Tissue Biopsy
|No special preparation is required for this test.
Why is a Periodic Acid Schiff (PAS) stain done?
A PAS stain is performed to help diagnose various medical conditions, including glycogen storage diseases, fungal infections, Alport syndrome, and certain types of cancer.
Do I need to fast before this test?
No, fasting is not required for this test.
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What does the test measure?
The PAS stain test detects polysaccharides such as glycogen, and mucosubstances like glycoproteins, glycolipids, and mucins in tissue samples.
How often should I have this test?
The frequency of this test depends on your doctor's recommendation and is usually guided by your symptoms and medical condition.
What are the normal values for this test?
Normal values vary based on the specific tissue and structure being examined. Normal cells and tissues will show typical staining patterns, while abnormal or diseased tissues may show different patterns.
What precautions should I take before and after the test?
There are no specific precautions you need to take for this test. However, as a biopsy is involved, your healthcare team will provide guidance on care of the biopsy site.
What are the modifiable factors affecting the test results?
There are no modifiable factors that can influence the results of this test.
What are the non-modifiable factors affecting the test results?
Non-modifiable factors that can influence the test results include your genetic makeup and the presence of disease.
Who should I consult if my test results are abnormal?
If your test results are abnormal, you should consult with your doctor, who can explain the results and discuss the next steps in your care.
Does this test involve any risks?
The PAS stain itself is not risky. However, the tissue biopsy procedure used to obtain the tissue sample can carry minimal risks such as bleeding or infection.
Can certain medical conditions affect the test results?
Yes, conditions such as fungal infections, glycogen storage diseases, and some cancers can affect the test results.
Can medications affect the test results?
No, medications do not typically affect the results of this test.
What does it mean if my test results are positive?
A positive PAS stain means that the tested substance (such as polysaccharides or mucosubstances) is present in the tissue sample.
Can I do anything to improve my test results?
Since this test is primarily diagnostic and used to detect the presence of certain substances in tissue samples, there is nothing specific you can do to improve your results.
What are the potential treatments if my test results are positive?
Treatment depends on the underlying condition diagnosed through the test. Your doctor will discuss appropriate treatment options based on your specific condition and test results.
Are certain people more susceptible to positive test results?
People with certain medical conditions, such as glycogen storage diseases, fungal infections, or specific cancers, are more likely to have a positive PAS stain.
How can I prepare for this test?
No specific preparation is required for this test. However, it's important to follow your doctor's instructions regarding care of the biopsy site, if applicable.
What does it mean if my test results remain consistently positive?
Consistently positive test results could indicate an ongoing or chronic condition. It's crucial to discuss this with your doctor, who can provide further guidance.
How accurate is the PAS Stain test?
The PAS Stain test is a highly reliable method for detecting certain substances in tissue samples when performed in a certified lab.
What other tests might my doctor order along with this?
Your doctor may order additional tests depending on the suspected condition, such as microbiological tests for a suspected infection, or further histopathological studies for suspected cancer.
Understanding your test results can provide important insights into your health. Always discuss with your doctor any questions or concerns you may have about your test results or medical condition.
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