Abstract
We performed comparative analysis of the efficiency of planar scintigraphy and SPECT-CT in the localization of sentinel lymph nodes (SLN) in the early stages of breast cancer in 50 patients. The true amount of SLN by lymphoscintigraphy was detected in 48% of observations, clear visualization was achieved in 78% of cases. There was no significant correlation between the efficiency of the planar study and the body mass index of the patients. The SPECT-CT analysis of regional lymphatic drainage of the mammary gland allowed to determine both the exact localization and the number of SLN in all patients included in the study. Comparison of SLN size and structure with histology results revealed no reliable association between CT anatomy and the presence of metastases in the lymph nodes.
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