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Gynecol Oncol. 2001 May;81(2):279-86.

Extended surgical staging for uterine papillary serous carcinoma: survival outcome of locoregional (Stage I-III) disease.

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1
Department of Gynecology and Obstetrics, Kelly Gynecologic Oncology Service, Baltimore, MD 21287, USA.

Abstract

OBJECTIVE:

The aim of this study was to evaluate survival outcome in patients with locoregional uterine papillary serous carcinoma (UPSC) after extended surgical staging (ESS).

METHODS:

All patients diagnosed with FIGO Stage I-III UPSC undergoing ESS (vertical incision, peritoneal cytology, TAH/BSO, omental biopsy, lymph node sampling, peritoneal biopsy) between 1/1/89 and 12/31/98 were identified retrospectively from the tumor registry database. Pathologic features predictive of regional extrauterine spread were evaluated using the log-rank test. The Kaplan-Meier method was used to generate survival curves, and median survival determinations were compared using the log-rank test or the proportional hazards regression model.

RESULTS:

Twenty-six patients with locoregional UPSC were identified: FIGO Stage I (n = 11), Stage II (n = 7), and Stage III (n = 8). The median age at diagnosis was 66 years. Preoperative endometrial pathology correctly identified the presence of UPSC in 76.9% of cases. The only pathologic feature found to be predictive of regional extrauterine spread (Stage III) was myometrial invasion > or =50% (P = 0.028). Adjuvant radiation therapy (RT) was administered to 6/18 patients with Stage I/II disease and 5/8 patients with Stage III disease. Platinum-based chemotherapy was administered to 5 patients with Stage III disease. All recurrences of Stage I/II disease were located within the pelvis (16.7%). For Stage III disease, all recurrences occurred at distant sites (42.9%). The median follow-up time for surviving patients was 39.0 months (mean = 45.0 months). For all patients, the overall 5-year survival rate was 61.2%. According to FIGO stage, the overall 5-year survival rates were Stage I, 81.8%; Stage II, 64.3%; and Stage III, 31.3%. No significant differences were detected in the risk of death by stage, although there was a trend toward worse survival with Stage III disease: Stage I hazard ratio [HR] = 1.00, Stage II HR = 1.68, 95% confidence interval [CI] = 0.23-12.03, Stage III HR = 3.63, 95% CI = 0.65-20.12.

CONCLUSIONS:

Patients with locoregional UPSC following ESS have a more favorable prognosis than previously thought. The additional information provided by ESS facilitates the selection of adjuvant therapy. Whole pelvic RT is recommended for patients with Stage I/II disease. Pathologic Stage III disease portends a significant risk of distant recurrence. For these patients, administration of adjuvant chemotherapy should be considered in addition to directed RT.

PMID:
11330963
DOI:
10.1006/gyno.2001.6159
[Indexed for MEDLINE]
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