Single-photon emission computed tomography/computed tomographyfor sentinel node mapping in breast cancer

Area of Science:

• Nuclear Medicine
• Surgical Oncology
• Radiology

Background:

• Accurate lymph node staging is vital for cancer prognosis and treatment planning.
• Sentinel lymph node biopsy is standard practice for melanoma and breast cancer.
• Current methods for sentinel lymph node detection include technetium-99m-labeled colloid and blue dye.

Purpose of the Study:

• To evaluate the clinical utility of integrated single-photon emission computed tomography and computed tomography (SPECT/CT) for sentinel lymph node identification in operable breast cancer.
• To compare the accuracy of SPECT/CT with planar and SPECT imaging for sentinel lymph node localization.

Main Methods:

• Prospective evaluation of integrated SPECT/CT in patients with operable breast cancer undergoing sentinel lymph node biopsy.
• Comparison of SPECT/CT imaging findings with conventional planar scintigraphy and SPECT imaging.
• Assessment of localization and identification accuracy of sentinel lymph nodes.

Main Results:

• Integrated SPECT/CT provided more accurate localization and identification of sentinel lymph nodes compared to planar and SPECT imaging alone.
• SPECT/CT offers enhanced anatomical detail for precise sentinel lymph node mapping.
• This technique is particularly valuable in challenging regions like the head and neck, chest, and pelvis.

Conclusions:

• Integrated SPECT/CT is a valuable tool for improving sentinel lymph node imaging accuracy in breast cancer.
• This advanced imaging modality enhances surgical precision and completeness of nodal staging.
• Further adoption of SPECT/CT can optimize sentinel lymph node biopsy procedures.