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Fine Needle Aspiration (FNA), Core Needle Biopsy

Introduction

Fibroadenoma
Fibroadenosis
Breast Cyst
Breast Abscess
Breast Cancer
Conclusion
Breast Cancer

The majority of breast lumps encountered in clinical practice (80%) are benign. However, the penalty of missing a malignancy is so grave that the fundamental principle guiding the treatment of breast lumps is the exclusion of breast cancer.

Even though breast cancer can occur in the young, they are more common in women above 40 years old. Clinically, they are often hard, irregular and fixed. There may also be skin changes.

Mammograms and ultrasound scans can provide more evidence to suggest malignancy in a breast lump. Fine needle aspiration (FNA) in experienced hands can be quite accurate (90 to 95%) in the diagnosis of a breast cancer. Core needle biopsy, e.g. tru-cut biopsy, is slowly replacing FNA as the preferred modality of diagnosis because the tissue removed is sufficient for a histological diagnosis (as opposed to cytological diagnosis for an FNA). This is particularly important for the diagnosis of insitu cancer. Excision biopsy is the final option in the diagnosis of a malignant lump. With increasing popularity of breast screening, more breast lumps are picked up by mammograms and ultrasound scans. These lumps are usually not palpable and in order to biopsy them accurately, guided techniques using the mammogram or ultrasound scan are required.


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