Which imaging technique is often utilized before sentinel node biopsy?

• A. MRI
• B. Ultrasound
• C. Mammography
• D. CT scan

Answer: (C)

Mammography is often utilized before sentinel node biopsy because it is an effective imaging technique for detecting breast abnormalities, including tumors and calcifications. In the context of planning for a sentinel node biopsy, mammography can help surgeons identify the location and extent of breast cancer. This can be crucial for determining which lymph nodes to sample during the biopsy, as it provides a clearer picture of the breast tissue and potential malignancies.

Mammographic findings can guide the surgical team in planning the procedure, ensuring that they can accurately target the sentinel lymph nodes based on the characteristics of the breast cancer. This is particularly important in optimizing patient outcomes and minimizing unnecessary procedures.

While other imaging methods like ultrasound, MRI, and CT scans may also play roles in breast cancer diagnosis or treatment planning, mammography remains a primary tool in the preoperative assessment leading up to sentinel node biopsy.