Info

CNB for breast cancer

Description: a type of biopsy performed with a larger needle under image guidance using sonography, mammography, or MRI [23] Indication: preferred tool for assessing a suspicious breast mass on ultrasound or mammography

Advantages

  • Can be used to confirm the diagnosis (preferred test)
  • Used to distinguish between noninvasive and invasive carcinoma based on histology (see “Pathology” below)
  • Allows testing for receptor status

Disadvantages

  • Invasive procedure
  • Local anesthesia required
  • Higher risk of complications (e.g., hematoma, pain) compared to FNA [22]