The objective of this paper is to investigate the mesothelin expression level to the clinicopathological features, chemoresponse, and to the outcome of patients with epithelial ovarian carcinoma (EOC). Mesothelin mRNA was detected by real-time quantitative reverse-transcription PCR in 139 EOC patients. Clinical characteristics, histopathological items, responses to chemotherapy, progression-free survival (PFS), and overall survival (OS) were recorded. Tumours with advanced stages had higher mesothelin than those with early stages. The chemoresistant patients showed significantly higher mesothelin than did chemosensitive patients (2.81 vs 0.43, Po0.001), irrespective of optimal or suboptimal surgery in those with advanced stages. Highly expressed levels of mesothelin were an independent but poor prognostic factor in the PFS (2.03 (1.23 -3.37) P ¼ 0.006) and ), P ¼ 0.002) of the 139 EOC patients in multivariate analysis. In addition, patients in advanced stages with highly expressed mesothelin also had significantly worse OS, regardless of whether they had undergone optimal (13.85 (1.76 -125.60), P ¼ 0.013) or suboptimal (4.47 (1.83 -10.88), P ¼ 0.001) debulking surgery in multivariate analysis. Out results provide new evidence that mesothelin expression is associated with chemoresistance and with shorter disease-free survival and worse OS of patients with EOC.

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This paper aims to evaluate the clinical characteristics of ovarian cancer patients with cerebral metastases. Ten ovarian cancer patients with brain metastases were retrospectively identified from a total of 539 ovarian cancer patients. Their characteristics before and at the time of diagnosis of cerebral metastases were analysed. The survival of them was also measured. Ten (1.9%) of the 539 ovarian cancer patients had brain metastases in the study period. Nine had stage III or IV tumours with either moderate or poor histological differentiation. The mean time from diagnosis of ovarian cancer to documentation of central nervous system metastasis was 24.3 months, which was 11.1 months if other sites of metastasis were involved before cerebral relapse. All of the patients with intra-cranial tumours suffered from associated neurological defects and relived by treatments. The median survival time after diagnosis of central nervous system involvement was 3 months. In this study, all ovarian cancer patients with cerebral metastases had clinical neurological symptoms. Physicians should pay more attention to ovarian cancer patients with neurological defects and arrange brain imaging studies for the early diagnosis of brain metastases and prompt management to improve quality of life.

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