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- Title
A recurrence-predicting prognostic factor for patients with ovarian clear-cell adenocarcinoma at reproductive age.
- Authors
Kajiyama, Hiroaki; Mizuno, Mika; Shibata, Kiyosumi; Umezu, Tomokazu; Suzuki, Shiro; Yamamoto, Eiko; Mitsui, Hiroko; Sekiya, Ryuichiro; Niimi, Kaoru; Kawai, Michiyasu; Nagasaka, Tetsuro; Kikkawa, Fumitaka
- Abstract
Objectives: We retrospectively analyzed the clinicopathological features and evaluated the prognostic indicators of recurrence in 132 patients with clear cell adenocarcinoma (CCC) of the ovary at reproductive age. Patients and methods: Between 1986 and 2011, as a regional population-based study, clinicopathological data on 132 young patients with CCC, collected under the central pathological review system, were subjected to uni- and multivariable analyses to evaluate recurrence-free survival (RFS). Results: The median age was 40 (27-45) years. The median follow-up period for surviving patients was 46.4 months. During the observation period, there were 16 recurrences in 87 patients with stage I tumors (18.4 %), 8 in 17 with stage II (47.1 %), and 16 in 28 with III-IV (57.1 %). Subsequently, 35 patients died of the disease. Those with stage I or II did not reach the median RFS. The median RFS of stage III-IV was 21.6 months. When analysis was confined to stage I patients, there was no significant difference in the RFS of CCC patients between IA and IC(r) (intraoperative capsule rupture) ( P = 0.7957). In contrast, CCC patients with IC excluding IC(r) [IC(non-r)] showed a poorer RFS than those with IC(r) ( P < 0.0001). In multivariable analysis confined to stage I patients, the substage group was only an independent prognostic factor for RFS [IA vs. IC(non-r)] [hazard ratio (HR) = 9.394; 95 % CI, 1.445-61.070; P = 0.0190]. Conclusion: We should keep in mind the greater risk of recurrence in patients with stage IC disease or higher, other than those stage IC patients with intraoperative rupture.
- Subjects
OVARIAN cancer patients; CANCER relapse; OVARIAN cancer; GESTATIONAL age; TUMOR classification; MEDICAL informatics; PROGNOSIS
- Publication
International Journal of Clinical Oncology, 2014, Vol 19, Issue 5, p921
- ISSN
1341-9625
- Publication type
Article
- DOI
10.1007/s10147-013-0645-3