Frozen Section - Large Test
About Frozen Section - Large Test
| Field | Value |
|---|---|
| Also Known As | Intraoperative frozen section, Cryosection (large specimen), Intraoperative consultation |
| Sample Type | Fresh surgical tissue specimen (large) |
| Fasting Required | Yes, as required for surgery (typically 6 to 8 hours before the procedure; follow your surgical team's instructions) |
| Report Time | 1 Day (intraoperative result communicated to the surgeon within 15 to 30 minutes during surgery) |
| Recommended For | Males and females of all ages undergoing surgery that requires immediate tissue diagnosis |
| Price | Starting at ₹5,000 |
What is a Frozen Section - Large Test?
The Frozen Section - Large Test is a rapid intraoperative diagnostic test performed on a large tissue specimen while a patient is on the operating table. Also known as an intraoperative frozen section or cryosection (large specimen), it gives surgeons near-immediate pathological information to guide surgical decisions. A pathologist examines the frozen tissue sample under a microscope and communicates findings to the surgical team within minutes.
What Does a Frozen Section - Large Test Measure?
This test evaluates several key aspects of a tissue specimen. The table below outlines what the pathologist assesses during examination.
| Parameter | What It Evaluates |
|---|---|
| Tissue architecture and cellular morphology | Microscopic structure of the tissue to identify abnormal cells or disease patterns |
| Benign vs. malignant status | Whether the tissue is cancerous (malignant) or non-cancerous (benign) |
| Tumour margins | Whether the edges of the removed tissue are free from cancer cells |
| Lymph node involvement | Whether cancer has spread to nearby lymph nodes |
| Tissue identification | Confirms the type of tissue being examined (tumour, normal, or infected tissue) |
Why is a Frozen Section - Large Test Done?
This test is requested when a surgeon needs immediate pathological guidance during an operation. The result determines how the procedure continues.
Common Symptoms That May Require This Test
Surgeons may request this test when the following are encountered during surgery:
- A suspicious mass or tumour was identified during the operation
- Abnormal tissue with uncertain diagnosis requiring on-the-spot evaluation
- Unclear surgical margins after tumour removal
- Suspected cancer recurrence discovered during surgery
- Enlarged lymph nodes were found during the procedure
- An unexplained lesion was found during exploratory surgery
Conditions This Test Can Help Detect
The frozen section - large test procedure can help identify a range of tissue-based conditions, including:
- Cancer (malignancy) such as breast, lung, thyroid, ovarian, and gastrointestinal tumours
- Metastatic disease (cancer that has spread to lymph nodes or other organs)
- Infections caused by bacteria, fungi, or parasites present in tissue
- Inflammatory conditions affecting the tissue
- Pre-cancerous changes (dysplasia), meaning abnormal cell growth that has not yet become cancer
How to Prepare and What to Expect
Because this test is performed during surgery, preparation follows standard pre-operative guidelines. Your surgical team will give you specific instructions based on your procedure.
Do You Need to Fast?
Yes. Fasting is required as part of your surgical preparation, typically for 6 to 8 hours before the operation. Follow the exact fasting instructions given by your surgical team, as requirements may vary depending on the type of surgery and anaesthesia planned.
Practical Tips Before Your Test
Here are some practical steps to prepare for your surgical procedure:
- Inform your surgical team of all medications you take, especially blood thinners (medicines that prevent blood clotting)
- Disclose any known allergies to anaesthesia or other agents
- Bring a detailed clinical history, including your symptoms, previous test results, and family history, as this is required for the test
- Follow all pre-operative instructions provided by your surgeon precisely
- Arrange for a responsible adult to accompany you home after surgery
Step-by-Step Procedure
The frozen section - large test procedure follows these steps once you are in the operating theatre:
- The surgeon identifies a tissue of interest during the operation and removes a specimen for immediate examination.
- The fresh tissue sample is sent rapidly to the pathology laboratory, where it is placed in a cryostat machine and flash-frozen.
- A microtome (a precision cutting instrument) slices the frozen tissue into very thin sections.
- The sections are placed on glass slides and stained, typically with haematoxylin and eosin (H&E), to make cell structures visible under the microscope.
- A pathologist examines the stained slides and assesses the tissue for malignancy, margin status, and other relevant findings.
- The findings are communicated to the surgeon while the operation is still in progress, allowing immediate decisions about the next surgical steps.
Factors That Can Affect Accuracy
The following factors may influence the accuracy of the test result:
- Specimen size and the quality of the tissue sample received
- Tissue type, such as fatty or lipid-rich tissues, which are technically more difficult to process
- Adequacy of the tissue sampled from the area of interest
- Technical artefacts introduced during the rapid freezing process
- Previous treatments, such as chemotherapy or radiation, can alter the appearance of tissue
- The expertise of the pathologist performing the examination
Understanding Your Frozen Section - Large Test Results
Results are communicated in two stages: a preliminary finding during surgery and a confirmed diagnosis from permanent sections processed over several days. Below are the general outcome categories for this test.
| Parameter | Normal / Negative | Abnormal / Positive |
|---|---|---|
| Tissue status | Benign; no evidence of malignancy | Malignant (cancerous) cells present |
| Surgical margins | Clear; no tumour cells at tissue edges | Positive margins; tumour cells present at edges |
| Lymph nodes | Negative; no cancer spread detected | Positive; cancer spread to lymph nodes |
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.
Results During Special Conditions
Certain situations may affect the reliability of the frozen section result:
- Fatty or lipid-rich tissue specimens are more difficult to cut and stain rapidly, which can reduce the quality of the results and may lead to a deferred diagnosis.
- Previous chemotherapy or radiation therapy can alter tissue architecture, making interpretation more challenging for the pathologist.
How to Maintain Healthy Levels
After your procedure, these general steps support recovery and accurate follow-up:
- Follow your surgeon's post-operative care instructions carefully and attend all scheduled follow-up appointments.
- Await the final permanent (paraffin) section histopathology report, which provides a definitive and more detailed diagnosis.
- Discuss any questions or concerns about your results openly with your treating doctor before drawing any conclusions.
Lupin Diagnostics Frozen Section - Large Test Price
The Frozen Section - Large Test is available at Lupin Diagnostics starting at ₹5,000. As the sample must be collected during surgery in an operating theatre, home collection is not available for this test.
| City | Approximate Price (₹) |
|---|---|
| BHOPAL | 5000 |
| CHENNAI | 5000 |
| HYDERABAD | 5000 |
| KOLKATA | 5000 |
| NAVI MUMBAI | 5000 |
| PUNE | 5000 |
Disclaimer: Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
How to Book
- Select the Frozen Section - Large Test on the Lupin Diagnostics website.
- Choose your city and preferred centre location.
- Visit the centre at your scheduled time for sample collection.
- Receive your report via email or WhatsApp within the stipulated turnaround time.
Frequently Asked Questions
The Frozen Section - Large Test is a rapid pathological examination performed on a large surgical tissue specimen while the patient is still in the operating theatre. It helps surgeons make immediate decisions about how to continue the operation based on whether the tissue is benign or malignant.
The intraoperative result is typically available within 15 to 30 minutes of the specimen reaching the pathology laboratory. Studies indicate that around 90% of frozen section procedures are completed within 20 minutes, making it one of the fastest diagnostic tests in pathology.
The frozen section - large test requires a fresh tissue specimen obtained directly during surgery. The tissue must be immediately frozen and examined while the patient is still on the operating table. This makes home collection or any pre-scheduled sample collection impossible.
Frozen sections are highly reliable when performed by experienced pathologists, with accuracy rates reported above 97% in well-equipped surgical pathology settings. Minor discrepancies between intraoperative and final permanent section results can occur, which is why a definitive diagnosis is always confirmed by permanent histopathology.
A frozen section gives rapid preliminary results during surgery, typically within 20 to 30 minutes. A regular biopsy (also called a permanent or paraffin section) takes longer (usually a few days) but produces more detailed and technically superior results. The frozen section guides the surgeon immediately; the permanent section provides the final, confirmed diagnosis.
If the result shows clear surgical margins (no cancer cells at the tissue edges), the surgeon may proceed to close the wound. If cancer cells are found at the margins, additional tissue may be removed during the same operation. Your surgical team will explain the next steps based on the intraoperative findings.
No. The frozen section - large test provides a preliminary intraoperative result. The tissue is then processed using standard permanent section techniques, which can take longer but offer greater detail and accuracy. The final diagnosis is always based on the permanent histopathology report, which your doctor will discuss with you after surgery.
Frozen Section - Large Test
