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Published in: Diagnostic Pathology 1/2021

Open Access 01-12-2021 | Endometrial Cancer | Research

Significance of mesothelin and CA125 expression in endometrial carcinoma: a retrospective analysis

Authors: Soichiro Kakimoto, Morikazu Miyamoto, Takahiro Einama, Yasuhiro Takihata, Hiroko Matsuura, Hideki Iwahashi, Hiroki Ishibashi, Takahiro Sakamoto, Taira Hada, Jin Suminokura, Tsubasa Ito, Rie Suzuki, Ayako Suzuki, Masashi Takano

Published in: Diagnostic Pathology | Issue 1/2021

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Abstract

Background

This study aimed to investigate the association between clinicopathologic factors, mesothelin, and cancer antigen (CA) 125 in endometrial carcinoma.

Methods

Between 1989 and 2017, patients with endometrial carcinoma who underwent total hysterectomy and bilateral salpingo-oophorectomy at our hospital were identified. The association between either or both immunochemical expression of mesothelin and CA125 and clinicopathological features were retrospectively examined.

Results

Among 485 patients, 171 were positive for mesothelin, 368 were positive for CA125, and 167 were positive for mesothelin and CA125. The expression of mesothelin and CA125 was positively correlated (p < 0.01). More patients with mesothelin expression showed myometrial invasion of more than 50% (p = 0.028) and positive lymphovascular invasion (p = 0.027). Similarly, more patients with co-expression of mesothelin and CA125 had myometrial invasion of more than 50% (p = 0.016) and positive lymphovascular invasion (p = 0.02). Patients with mesothelin expression and co-expression of mesothelin and CA125 demonstrated worse progression-free survival (PFS) and overall survival (OS). In the multivariate analysis, mesothelin expression and co-expression were poor prognostic factors for PFS (mesothelin expression: hazard ratio [HR] = 2.14, p < 0.01; co-expression: HR = 2.19, p < 0.01) and OS (mesothelin expression: HR = 2.18, p < 0.01; co-expression: HR = 2.22, p < 0.01).

Conclusions

Mesothelin expression and co-expression might be associated with tumor aggressiveness and poor prognosis in patients with endometrial carcinoma. Persons with mesothelin-expressing endometrial cancers present a particularly high medical unmet need.
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Metadata
Title
Significance of mesothelin and CA125 expression in endometrial carcinoma: a retrospective analysis
Authors
Soichiro Kakimoto
Morikazu Miyamoto
Takahiro Einama
Yasuhiro Takihata
Hiroko Matsuura
Hideki Iwahashi
Hiroki Ishibashi
Takahiro Sakamoto
Taira Hada
Jin Suminokura
Tsubasa Ito
Rie Suzuki
Ayako Suzuki
Masashi Takano
Publication date
01-12-2021
Publisher
BioMed Central
Published in
Diagnostic Pathology / Issue 1/2021
Electronic ISSN: 1746-1596
DOI
https://doi.org/10.1186/s13000-021-01093-4

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