About

What Is FNAC Test (Fine Needle Aspiration Cytology)?

FNAC is a minimally invasive test where a thin needle is used to extract cells from a lump or swelling, often in the thyroid, breast, lymph nodes, or salivary glands. It helps determine whether a lesion is benign or malignant.

Preparation Guidelines of FNAC Test (Fine Needle Aspiration Cytology)

  • Usually no fasting or special preparation is needed.
  • Inform your doctor about blood-thinning medications.
  • Ultrasound guidance may be used for accurate sampling.

What to Expect

The skin is cleaned, and a fine needle is inserted into the target area. Multiple samples may be taken. Local anesthesia is sometimes used but often not required. The test takes about 15-30 minutes.

Risks and Complications of FNAC Test (Fine Needle Aspiration Cytology)

  • Minor bruising or discomfort at the puncture site.
  • Rare infection or bleeding.
  • Occasionally, the sample may be insufficient and need repeating.

Results and Follow-Up of FNAC Test (Fine Needle Aspiration Cytology)

Cytology results are typically available within a few days. Your doctor will explain whether the findings indicate a benign condition, inflammation, or cancer, and discuss treatment options.