IHC Marker - MUC4 Test: Booking, Price, and Results
About IHC Marker - MUC4 Test
| Field | Value |
|---|---|
| Also Known As | MUC4 Immunohistochemistry, Mucin 4 IHC Marker, MUC4 Protein Expression Test, Mucin 4 Immunostain, MUC4 stain |
| Sample Type | Tissue biopsy (formalin-fixed paraffin-embedded/FFPE block) |
| Fasting Required | No |
| Report Time | 3 Days |
| Recommended For | Both males and females, all ages (as clinically indicated for suspected cancer) |
| Price | Starting at ₹1,920 |
What Is an IHC Marker - MUC4 Test?
The MUC4 test is a specialised laboratory test that detects a protein called MUC4 (Mucin 4) in tumour tissue. It uses a method called immunohistochemistry (IHC), where antibodies are applied to a tissue sample to reveal whether a specific protein is present. Doctors use the MUC4 IHC marker to help distinguish between different types of cancer, particularly to tell apart mesothelioma (cancer of the lining of the lungs) and lung cancer. The test is performed on a formalin-fixed paraffin-embedded (FFPE) tissue block obtained through a prior biopsy or surgery.
What Does an IHC Marker - MUC4 Test Measure?
The MUC4 protein expression test analyses tissue at the cellular level to assess three key aspects of MUC4 activity. Here is what the test evaluates:
| Parameter | What It Tells Us |
|---|---|
| MUC4 protein expression | Whether the MUC4 protein is present or absent in the tissue sample |
| Staining intensity | How strongly MUC4 is expressed, scored as negative, weak (1+), moderate (2+), or strong (3+) |
| Staining distribution | The proportion of cells showing positive MUC4 staining across the tissue |
Why Is an IHC Marker - MUC4 Test Done?
The MUC4 IHC marker test is requested by doctors when a tissue biopsy needs further analysis to classify a tumour accurately. It plays an important role in cancer diagnosis and tumour differentiation.
Common Symptoms That May Require This Test
A doctor may order this test when a patient presents with symptoms that raise suspicion of cancer. Common symptoms include:
- Unexplained or significant weight loss
- Persistent abdominal pain or discomfort
- Jaundice (yellowing of the skin or eyes)
- Persistent cough or shortness of breath
- A palpable lump or mass in the body
- Fatigue without a clear cause
- Symptoms suggestive of a tumour detected on imaging
- Abdominal swelling, bloating, or pelvic pain.
Conditions This Test Can Help Detect
The MUC4 immunohistochemistry test is used to support the diagnosis or differentiation of several cancer types. These include:
- Pancreatic ductal adenocarcinoma (cancer of the pancreas)
- Lung adenocarcinoma and squamous cell carcinoma (types of lung cancer)
- Epithelioid and sarcomatoid mesothelioma (cancer of the lung lining)
- Biliary tract and cholangiocarcinoma (bile duct cancers)
- Breast, ovarian, prostate, gall bladder, and salivary gland cancers
How to Prepare and What to Expect
No fasting or special physical preparation is needed for this test. However, since the test is performed on a tissue sample already obtained through biopsy or surgery, there are several practical steps to follow before submitting the sample.
Do You Need to Fast?
No fasting is required for the MUC4 test. The test is performed on a paraffin-embedded tissue block, not a blood or urine sample, so dietary restrictions do not apply.
Practical Tips Before Your Test
Being prepared with the right documentation and materials helps ensure accurate and timely results. Keep the following in mind:
- Bring a detailed clinical history, including your symptoms, previous test results, and family history, as this is required for the test
- Ensure your FFPE tissue block or histopathology slides are correctly labelled with your name and relevant details
- Carry all previous histopathology, imaging, or pathology reports related to your current condition
- Inform your doctor about any prior cancer treatments, surgeries, or biopsies
Step-by-Step Procedure
- A tissue sample is collected by your doctor through a biopsy (needle biopsy, core biopsy, or surgical excision) if not already done.
- The tissue is preserved in formalin and embedded in paraffin wax to protect the cellular structure. This becomes the FFPE block used for testing.
- In the laboratory, a technician cuts very thin slices of the tissue (around 4 to 5 microns thick) and places them on glass slides.
- The slides undergo antigen retrieval, a process using heat or enzymes to expose proteins that may have been masked during fixation.
- MUC4-specific antibodies are applied to the tissue on the slide. These antibodies bind to the MUC4 protein if it is present.
- A pathologist examines the stained slides under a microscope and records the presence, intensity, and distribution of MUC4 staining before issuing a report.
Factors That Can Affect Accuracy
Certain technical and clinical factors can influence the reliability of results. These include:
- Quality of tissue fixation at the time of the original biopsy
- Adequacy of the tissue sample size
- Proper antigen retrieval technique in the laboratory
- Quality and specificity of the antibody used
- Expertise of the pathologist interpreting the slides
Understanding Your IHC Marker - MUC4 Test Results
Results from the MUC4 IHC marker test are interpreted by a pathologist alongside clinical, imaging, and other laboratory findings. The table below outlines the general interpretation of results.
| Result | Interpretation |
|---|---|
| Negative (No Expression) | MUC4 protein not detected; significance depends on the tissue type and clinical context |
| Positive (1+ to 3+) | MUC4 protein detected; may support epithelial differentiation and can be seen in several benign and malignant epithelial tissues |
Disclaimer: These ranges are general guidelines. Your doctor will interpret your results based on your age, health history, and other factors. Always consult a qualified healthcare professional for personalised medical advice.
How to Maintain Healthy Levels
MUC4 is a diagnostic marker used to classify tumours, not a routine health screening measure. There are no dietary or lifestyle changes that influence MUC4 protein expression. The following general steps support your overall care:
- Follow all recommendations from your oncologist or treating doctor regarding the next steps after the test
- Attend all scheduled follow-up appointments and bring your test report and clinical history
- Ensure any additional tests your doctor requests are completed on time
Lupin Diagnostics IHC Marker - MUC4 Test Price
The MUC4 test cost at Lupin Diagnostics starts at ₹1,920. This test requires a visit to a Lupin Diagnostics centre; home collection is not available, as the sample must be submitted as an FFPE tissue block from a prior biopsy or surgical procedure.
| City | Approximate Price (₹) |
|---|---|
| BHOPAL | 1920 |
| CHENNAI | 1920 |
| HYDERABAD | 1920 |
| KOLKATA | 1920 |
| NAVI MUMBAI | 1920 |
| PUNE | 1920 |
Disclaimer: Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
How to Book
- Select the IHC Marker - MUC4 Test on the Lupin Diagnostics website.
- Choose your city and preferred centre location.
- Visit the centre at your scheduled time and submit your labelled FFPE tissue block along with your clinical history and relevant reports.
- Receive your report via email or WhatsApp within the stipulated turnaround time.
Frequently Asked Questions
The MUC4 IHC marker is used to detect the presence of MUC4 protein in tumour tissue. Pathologists use it to differentiate between cancer types, particularly to distinguish mesothelioma from lung cancer. It is also used in diagnosing pancreatic, breast, ovarian, and biliary tract cancers.
The tissue sample is obtained through a biopsy or surgical procedure performed by your doctor before the test is ordered. All biopsy types involve removing a small amount of tissue, which is then sent to the laboratory for analysis. You do not need to undergo any additional sample collection for this specific test.
At Lupin Diagnostics, the report is typically delivered within 3 days of receiving the sample. The turnaround time may vary depending on the complexity of the case and whether additional staining or analysis is needed.
No, the MUC4 test cannot be done at home. The test is performed on an FFPE tissue block, which must be submitted to a Lupin Diagnostics centre. The tissue itself is collected through a biopsy in a clinical setting by a qualified doctor.
A positive result means MUC4 protein is present in the tissue sample. This finding is associated with several cancers, including pancreatic, lung, breast, and ovarian cancer. However, the result must always be interpreted by a pathologist or oncologist alongside clinical findings and other test results.
A negative result means MUC4 protein was not detected in the tissue. In the context of pleural or lung tumours, a negative result may support a diagnosis of mesothelioma rather than lung carcinoma. Negative MUC4 expression is also normal in healthy pancreatic ducts, bile ducts, and ovarian tissue.
No fasting or physical preparation is required. You should bring the labelled FFPE tissue block from your previous biopsy, along with a detailed clinical history and all previous pathology or imaging reports. Clinical history is required for processing this test.
IHC Marker - MUC4 Test: Booking, Price, and Results
