Pelvic lymph node involvement and risk of recurrence in HPV-associated endocervical adenocarcinoma stage IA2-IB1 according to Silva's system in two Colombian cancer centers

Jairo Alonso Hernandez,Juliana Rodriguez,Gabriel Rendon,Lina Maria Trujillo, Maria Islena Beltran, Carolina Mantilla, Carolina Echeverry, Maria Angelica Mendoza, Monica Gil, Marcela Nunez, Marcela Hernandez,Jonathan Peralta,Rene Pareja

INTERNATIONAL JOURNAL OF GYNECOLOGY & OBSTETRICS(2024)

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摘要
ObjectiveTo compare the pelvic lymph node involvement and risk of recurrence in patients with human papillomavirus (HPV)-associated endocervical adenocarcinoma stage IA2-IB1 undergoing hysterectomy and/or trachelectomy plus lymphadenectomy, according to Silva's classification system. MethodsA retrospective cohort study was performed in two Colombian cancer centers. The cases were classified according to the Silva classification system. Clinical, surgical, and histopathological variables were evaluated. Recurrence risk was analyzed by patterns A, B, or C. A logistic regression model was performed for tumor recurrence. The Kaplan-Meier method was used to estimate overall survival and disease-free survival (DFS). A weighted kappa was performed to determine the degree of concordance between pathologists. ResultsA total of 100 patients were identified, 33% pattern A, 29% pattern B, and 38% pattern C. The median follow-up time was 42.5 months. No evidence of lymph node involvement was found in patients classified as A and B, while in the C pattern was observed in 15.8% (n = 6) of cases (P < 0.01). There were 7% of cases with recurrent disease, of which 71.5% corresponded to type C pattern. Patients with Silva pattern B and C had 1.22- and 4.46-fold increased risk of relapse, respectively, compared with pattern A. The 5-year DFS values by group were 100%, 96.1%, and 80.3% for patterns A, B, and C, respectively. ConclusionFor patients with early-stage HPV-associated endocervical adenocarcinoma, the type C pattern presented more lymph node involvement and risk of recurrence compared to the A and B patterns. The concordance in diagnosis of different Silva's patterns by independents pathologists were good.
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关键词
adenocarcinoma,cervical neoplasms,lymphatic metastasis,Silva pattern-based classification
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