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1.
Gynecol Oncol ; 155(3): 444-451, 2019 12.
Article in English | MEDLINE | ID: mdl-31635755

ABSTRACT

OBJECTIVE: To analyze the clinical behavior of neuroendocrine tumors (NETs) of the uterine cervix, we conducted a multicenter, retrospective study of 193 patients. METHODS: We evaluated the prognosis of NETs according to the new International Federation of Gynecology and Obstetrics (FIGO) staging system, compared the clinical response to different chemotherapy regimens, and compared different histological subtypes of NETS. RESULTS: Diagnoses of the subjects were atypical carcinoid tumor (ACT, n = 37), small cell neuroendocrine carcinoma (SCNEC, n = 126), large cell neuroendocrine carcinoma (LCNEC, n = 22), and NET, not elsewhere classified (n = 8), according to central pathological review. According to FIGO 2018, 69, 17, 74, and 33 patients were at stage I, II, III, or IV, respectively. Five-year survival was 64.5%, 50.1%, 30.2%, and 3.4% for patients at stage I, II, III and IV. About 40% of patients with stage IIIC1 survived >5 years. On multivariate analyses, locally-advanced disease, para-aortic node metastasis, distant metastasis, and <4 cycles of chemotherapy were associated with poor survival. Histological subtype and pelvic node metastasis had no prognostic significance. Response rates to etoposide-platinum (EP) or irinotecan-platinum (CPT-P) regimens were 43.8% (28/64), but only 12.9% to a taxane-platinum (TC) regimen (4/31). The response rate for ACT was 8.7% (2/23), significantly less than the 36.6% for high-grade neuroendocrine carcinomas (HGNEC: both SCNEC and LCNEC, 41/111). CONCLUSIONS: Locally-advanced, extra-pelvic disease and insufficient chemotherapy were independent prognostic factors for cervical NET. HGNEC showed good responses to EP or CPT-P but not TC. Chemotherapy was less effective for ACT, which had a prognosis identical to HGNEC.


Subject(s)
Antineoplastic Combined Chemotherapy Protocols/therapeutic use , Neuroendocrine Tumors/drug therapy , Neuroendocrine Tumors/pathology , Uterine Cervical Neoplasms/drug therapy , Uterine Cervical Neoplasms/pathology , Aged , Female , Humans , Middle Aged , Neoplasm Staging , Prognosis , Progression-Free Survival , Retrospective Studies , Survival Rate
2.
Gynecol Oncol ; 137(1): 34-9, 2015 Apr.
Article in English | MEDLINE | ID: mdl-25662625

ABSTRACT

OBJECTIVE: In order to determine indications for less radical surgery such as modified radical hysterectomy, the risk of pathological parametrial involvement and prognosis of FIGO stage IB1 cervical cancer patients undergoing standard radical hysterectomy with pre-operatively assessed tumor diameter≤2 cm were investigated. METHODS: We conducted a retrospective multi-institutional chart review of patients with FIGO stage IB1 cervical cancer who underwent primary surgical treatment between 1998 and 2002. The eligibility criteria for the analyses were (i) histologically-proven squamous cell carcinoma, adenocarcinoma or, adenosquamous cell carcinoma, (ii) radical hysterectomy performed, (iii) clinical tumor diameter data available by MR imaging or specimens by cone biopsy, and (iv) age between 20 and 70. Based on the clinical tumor diameter, patients were stratified into those with the following tumors: i) 2 cm or less (cT≤2 cm) and ii) greater than 2 cm (cT>2 cm). We expected 5-year OS of ≥95% and parametrial involvement<2-3% for patients with cT≤2 cm who underwent radical hysterectomy. RESULTS: Of the 1269 patients enrolled, 604 were eligible for the planned analyses. Among these, 571 underwent radical hysterectomy (323 with cT≤2 cm and 248 with cT>2 cm). Parametrial involvement was present in 1.9% (6/323) with cT≤2 cm and 12.9% (32/248) with cT>2 cm. Five-year overall survivals were 95.8% (95% CI 92.9-97.6%) in cT≤2 cm and 91.9% (95% CI 87.6-94.8%) in cT>2 cm patients. CONCLUSION: Patients with cT≤2 cm had lower risk of parametrial involvement and more favorable 5-year overall survival. They could therefore be good candidates for receiving less radical surgery.


Subject(s)
Uterine Cervical Neoplasms/pathology , Adult , Aged , Conization , Female , Humans , Hysterectomy/methods , Magnetic Resonance Imaging , Middle Aged , Neoplasm Staging , Prognosis , Retrospective Studies , Uterine Cervical Neoplasms/surgery , Young Adult
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