FNAC Test in Chennai
If you have noticed a lump, swelling, or abnormal growth in areas such as the breast, thyroid, lymph nodes, or other soft tissues, an FNAC test in Chennai can offer quick and reliable insights to guide your diagnosis and treatment. This minimally invasive procedure helps evaluate the nature of such masses efficiently.
FNAC test, booked in 30 seconds
Leave your details and our care team calls you back shortly to schedule your procedure. You are also welcome to walk in.
Thank you. Our care team will call you back shortly to confirm your FNAC test slot.
What does the FNAC test mean?
FNAC test stands for Fine Needle Aspiration Cytology. It is a diagnostic technique that involves using a thin needle to extract a small sample of cells from a lump or abnormal area. These cells are then examined under a microscope by a pathologist to determine if they are benign (non-cancerous), malignant (cancerous), inflammatory, or infectious.
This test is widely used because it is simple, cost-effective, and provides rapid results, often avoiding the need for more invasive biopsies initially. It is commonly performed on:
- Thyroid nodules
- Breast lumps
- Enlarged lymph nodes
- Salivary gland swellings
- Soft tissue masses
What Is the FNAC procedure?
The FNAC procedure is straightforward and usually completed in an outpatient setting:
Preparation: The area is cleaned and sometimes numbed with a local anaesthetic spray or injection for comfort.
- Aspiration: A very fine needle (thinner than those used for blood tests) attached to a syringe is inserted into the lump. Gentle suction draws out cells or fluid.
- Sample Processing: The collected material is spread on glass slides, stained, and sent for microscopic analysis.
- Duration: The entire process typically takes 10-20 minutes.
No stitches are required, and most patients experience only mild discomfort, similar to a blood draw. Ultrasound guidance may be used for deeper or smaller lesions to improve accuracy.
Why Is This Test Important?
The FNAC test plays a crucial role in:
- Differentiating between benign and malignant lesions.
- Identifying infections or inflammatory conditions like tuberculosis.
- Guiding further management, such as surgery, medication, or monitoring.
- Reducing unnecessary operations by providing early information.
- Symptoms that may lead to this test include:
- Palpable lumps in the neck, breast, or armpits.
- Persistent swelling that does not resolve.
- Unexplained weight loss or fever with enlarged nodes.
- Changes in a known nodule or mass.
- Early evaluation through FNAC supports timely intervention and better outcomes.
Preparation and Risks
Preparation is minimal:
- Inform your doctor about blood-thinning medications or allergies.
- No fasting is usually needed.
- Risks are low and may include:
- Minor bleeding or bruising at the site.
- Slight soreness for a day or two.
- Rarely, infection (prevented with sterile technique).
- Most patients resume normal activities immediately after the procedure.
Interpreting Results
FNAC results are reported based on cellular appearance and are often categorised using systems like the Bethesda system (for thyroid) or similar classifications for other sites:
FNAC test positive means abnormal or malignant cells have been identified in the sample, suggesting the presence of cancer or significant pathology. This prompts further evaluation but is not always a final diagnosis, correlation with clinical findings and imaging is essential.
Why Choose Unittas Hospital?
Unittas Multispeciality Hospital is a NABH-accredited centre with branches in Tambaram and Kelambakkam, conveniently located for patients across Chennai and the OMR corridor. Our state-of-the-art in-house laboratory features advanced analysers for precise diagnostic testing, supported by experienced pathologists and specialists who deliver expert interpretation and personalised guidance.
We ensure quick, reliable turnaround, comfortable sample-collection areas, private spaces for result discussions, and seamless connections to specialist consultations, all in a single facility. With a strong emphasis on compassionate, patient-focused care, hygienic premises, and flexible timings, Unittas is a trusted choice for reliable diagnostics in Chennai.
Related diagnostic tests
FNAC test questions
Results are typically available within 24 to 72 hours, depending on the complexity.
Most patients feel only mild pressure or discomfort; local anaesthesia can minimise any sensation.
Yes, a repeat procedure is common and safe if more cells are needed.
While highly reliable, rare false negatives can occur; follow-up monitoring is advised.
It is suitable for most palpable or image-guided accessible masses but not for very deep or vascular lesions.
Additional investigations, such as core needle biopsy, are usually recommended for clarification.
Yes, it can identify granulomatous inflammation suggestive of TB or other infections.
It is often employed for accuracy, especially in thyroid or small lesions, but not mandatory for superficial lumps.
It has high specificity for malignancy but may require confirmation with histology in some cases.
Avoid strenuous activity for 24 hours; apply ice if minor swelling occurs.
Yes, it is performed safely in paediatric cases when indicated, with appropriate sedation if needed.
It aids initial diagnosis but additional tests are required for full staging.
Wear loose clothing and inform the doctor of any medications or bleeding tendencies.
Many policies include it as a diagnostic procedure; confirm with your insurer.
FNAC uses a finer needle for cells only, while core biopsy obtains tissue fragments for more structural detail.
It is generally safe but discussed case-by-case to weigh benefits and minimal risks.
Referral to oncology, imaging for staging, and treatment planning discussions.
All diagnostic tests at Unittas
Visit our Chennai labs
Both branches run the same NABH grade lab. Walk in during clinic hours, or call us to book your visit.
Tambaram
7, Duraiswamy Reddy Street, West Tambaram, Chennai 600045
Mon to Sat, 8 am to 8 pm. Sun, 9 am to 1 pm.
OMR Kelambakkam
141/1, Kazhipattur Village, OMR Main Rd, Kelambakkam 603103
Mon to Sat, 8 am to 8 pm. Sun, 9 am to 1 pm.
Clear answers for a lump you have noticed.
A minimally invasive test with results in 24 to 72 hours. Book online or walk in at either Chennai branch.
Book: FNAC Test
No fasting needed, results in 24 to 72 hours. Our care team calls you back shortly.
Thank you. Our care team will call you back shortly to confirm your FNAC test slot.