Aspiration Biopsy: Understanding the Procedure & Its Uses

Fine-needle aspiration biopsy (FNAB) uses a thin needle to extract cells from a suspicious mass or organ for cytological examination.

Common Sites

• Thyroid nodules
• Breast lumps
• Lymph nodes
• Lung, liver, kidney lesions

Procedure

• Performed in office or clinic, often with ultrasound guidance.
• Minimal discomfort (local anesthetic optional).
• Takes minutes; patient resumes normal activity immediately.

Aftercare

Mild soreness or bruising at the site resolves in days. Complications (bleeding, infection) are rare.

Diagnostic Value

High accuracy for distinguishing benign from malignant lesions; guides further management.