Revista espanola de medicina nuclear e imagen molecular · 2026
Proposed model to facilitate the surgical localization of the sentinel lymph node in gynecological tumors.
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Tercero Garrido D, Guiote Moreno M V, Albalá González M D, Tejerina Tejerina S A, Rodríguez Llamas A J, Vallejo Casas J A
Аннотация
OBJECTIVE: To propose a model to facilitate the surgical localization and excision of the sentinel lymph node in gynecological tumors.
METHODOLOGY: This was an observational, cross-sectional, retrospective, and descriptive study incorporating data from patients who underwent sentinel lymph node biopsy for gynecological tumors between May 2020 and August 2025.
RESULTS: The assumptions of linearity, normality, independence, and homoscedasticity of residuals were verified. Subsequently, a simple linear regression analysis model was performed, yielding a predictive equation for surgical count rates: Y = 26.918 + 0.056 × SPECT/CT Counts (R2 = 0.925). This equation demonstrated applicability in a small sample of patients.
CONCLUSIONS: The SPECT/CT counts helps estimate the surgical count rate using a predictive equation. However, studies with larger sample sizes are needed to obtain a more precise equation with greater clinical applicability.
METHODOLOGY: This was an observational, cross-sectional, retrospective, and descriptive study incorporating data from patients who underwent sentinel lymph node biopsy for gynecological tumors between May 2020 and August 2025.
RESULTS: The assumptions of linearity, normality, independence, and homoscedasticity of residuals were verified. Subsequently, a simple linear regression analysis model was performed, yielding a predictive equation for surgical count rates: Y = 26.918 + 0.056 × SPECT/CT Counts (R2 = 0.925). This equation demonstrated applicability in a small sample of patients.
CONCLUSIONS: The SPECT/CT counts helps estimate the surgical count rate using a predictive equation. However, studies with larger sample sizes are needed to obtain a more precise equation with greater clinical applicability.