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Neoplasma Vol.71, No.1, p. 70–76, 2024 |
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Title: The impact of neo/adjuvant treatment choices on prognosis for surgically treated small-cell neuroendocrine carcinoma of the cervix | ||
Author: Deying Zhao, Shaoxing Sun, Zhiyong Yang, Ping Wang, Hui Qiu | ||
Abstract: Small-cell neuroendocrine carcinoma of the cervix (SCNCC) is a rare and aggressive tumor with a poor prognosis. Surgical resection followed by adjuvant therapy is the standard treatment for early-stage disease, but the influence of different neo/adjuvant treatment approaches remains unclear. Retrospectively, we collected patients' characteristics and treatments in two medical centers. Disease status and survival outcomes were renewed through follow-up. Statistics analysis mainly included Kaplan-Meier methods for survival curve estimation, log-rank test for survival curve comparison, and Cox proportional hazards models for independent prognostic factors prediction. Finally, 51 patients treated by radical surgery between January 2010 and April 2020 were enrolled with a median age of 50 years (range: 32-68). 12 (23.5%) patients were at stage IIIC1 according to the International Federation of Gynecology and Obstetrics (FIGO) 2018 staging systems and the rest were at the early stage. The mean tumor size was 3.6 ± 1.3 cm. Pathological examination found 24 cases with pure SCNCC and 27 cases with admixed SCCC. 29 (56.9%) patients had deep stromal infiltration and 19 (37.3%) patients had lymphovascular space invasion. 34 (66.7%) patients received neo/adjuvant chemotherapy and pelvic radiation was conducted in 41 (80.39%) patients with a median dose of 46 Gy (range: 40-50.4 Gy). The median follow-up time was 25.0 months. The median disease-free survival (DFS) time was 23.0 months. 27 (52.9%) patients developed distant metastasis and 14 (27.5%) experienced local failure. The median overall survival (OS) was 32.0 months. Univariate and multivariate analysis showed neoadjuvant chemotherapy as negative (HR = 2.081, 95% CI 1.030-4.203, p = 0.041) and adjuvant chemotherapy (HR = 0.409, 95% CI 0.213-0.784, p = 0.020) as positive independent prognostic factor for DFS. For OS, only lymph node metastasis was confirmed as an independent prognostic factor in both univariate analysis (HR = 1.528, 95% CI 1.011-2.308, p = 0.044) and multivariate analysis (HR = 1.697, 95% CI 1.041-2.768, p = 0.034). In conclusion, for surgically treated SCNCC, adjuvant chemotherapy showed a positive influence on DFS while neoadjuvant chemotherapy harmed DFS. OS was unaffected by either treatment choice. |
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Keywords: small-cell neuroendocrine carcinoma of cervix; prognostic analysis; retrospective study | ||
Published online: 12-Jan-2024 | ||
Year: 2024, Volume: 71, Issue: 1 | Page From: 70, Page To: 76 | |
doi:10.4149/neo_2023_230802N404 |
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