Abstract
Background: Sentinel node (SN) biopsy has been becoming a standard method for early stage breast cancer. Scintigraphic image of SN helps the biopsy procedure. It is reported that the scintigraphic detection rate is not 100%. The value of taking additional projection view in SN detection was assessed in breast cancer patients.Patients and Methods: Consecutive 114 breast cancer patients with upper lateral quadrant tumor were included in this study. After injection of99mTc-phytate, scintigram was taken at the projection of anterior oblique (AO) 30° view and an additional AO 60° view. Images were evaluated visually.Results: In 7 of 114 patients, an axillary hot node was hidden on the activity at the injected site on AO 30° view, and was visualized on AO 60° view. In 17 of 114 patients, the axillary hot node was seen as a hump from the injected activity, and was separate on AO 60° view. In 90 of 114 patients, the axillary hot node was separately seen on AO 30° view.Conclusion: Multi-directional views are helpful to depict the axillary sentinel nodes that are concealed behind the injected radioactivity.
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Koizumi, M., Nomura, E., Yamada, Y. et al. Improved detection of axillary hot nodes in lymphoscintigraphy in breast cancer located in the upper lateral quadrant with additional projection imaging. Ann Nucl Med 18, 707–710 (2004). https://doi.org/10.1007/BF02985967
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DOI: https://doi.org/10.1007/BF02985967