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Vol. 3, No. 2, 2010
Issue release date: April – August
Open Access Gateway
Case Rep Oncol 2010;3:142–147
(DOI:10.1159/000313923)

Metastatic Breast Cancer to the Stomach Resembling Early Gastric Cancer

Hara F.a · Kiyoto S.a · Takabatake D.a · Takashima S.a · Aogi K.a · Ohsumi S.a · Teramoto N.b · Nishimura R.b · Takashima S.a
Departments of aBreast Oncology, and bPathology, National Hospital Organization Shikoku Cancer Center, Matsuyama, Ehime, Japan
email Corresponding Author

Abstract

Breast cancer metastases to the stomach are very rare. As characteristics of breast cancer metastases to the stomach, metastases of lobular carcinoma, mainly with signet ring cells, are frequently observed, and they are often difficult to distinguish from a primary gastric cancer with signet ring cells. Moreover, because no characteristic symptoms are shown and they involve a submucosal lesion, it is difficult to make a radiographic diagnosis. However, if a gastric lesion is observed after breast carcinoma surgery, differentiation between a gastric primary lesion and a metastatic lesion is very important in order to determine treatment. We encountered a case that was diagnosed as early gastric cancer discovered using an endoscope 2 years after surgery and which was found to be breast cancer metastasis to the stomach by gross cystic disease fluid protein (GCDFP) and cytokeratin (CK) 7/20 immunostaining of the biopsy tissue. Here, we report our findings of this unique case.


 Outline


 goto top of outline Key Words

  • Breast cancer
  • Metastatic gastric tumor

 goto top of outline Abstract

Breast cancer metastases to the stomach are very rare. As characteristics of breast cancer metastases to the stomach, metastases of lobular carcinoma, mainly with signet ring cells, are frequently observed, and they are often difficult to distinguish from a primary gastric cancer with signet ring cells. Moreover, because no characteristic symptoms are shown and they involve a submucosal lesion, it is difficult to make a radiographic diagnosis. However, if a gastric lesion is observed after breast carcinoma surgery, differentiation between a gastric primary lesion and a metastatic lesion is very important in order to determine treatment. We encountered a case that was diagnosed as early gastric cancer discovered using an endoscope 2 years after surgery and which was found to be breast cancer metastasis to the stomach by gross cystic disease fluid protein (GCDFP) and cytokeratin (CK) 7/20 immunostaining of the biopsy tissue. Here, we report our findings of this unique case.

Copyright © 2010 S. Karger AG, Basel


 goto top of outline Author Contacts

Fumikata Hara
Department of Breast Oncology, National Hospital Organization Shikoku Cancer Center, 160 Kou
Minamiumemoto-machi, Matsuyama, Ehime 791-0280 (Japan)
Tel. +81 89 999 1111, Fax +81 89 999 1100, E-Mail hfumikat@shikoku-cc.go.jp


 goto top of outline Article Information

Published online: April 29, 2010
Number of Print Pages : 6
Number of Figures : 2,


 goto top of outline Publication Details

Case Reports in Oncology

Vol. 3, No. 2, Year 2010 (Cover Date: April - August)

Journal Editor: Markman M. (Houston, Tex.)
ISSN: NIL (Print), eISSN: 1662-6575 (Online)

For additional information: http://www.karger.com/CRO


Open Access License / Drug Dosage / Disclaimer

Open Access License: This is an Open Access article licensed under the terms of the Creative Commons Attribution-NonCommercial 3.0 Unported license (CC BY-NC) (www.karger.com/OA-license), applicable to the online version of the article only. Distribution permitted for non-commercial purposes only.
Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in goverment regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

Abstract

Breast cancer metastases to the stomach are very rare. As characteristics of breast cancer metastases to the stomach, metastases of lobular carcinoma, mainly with signet ring cells, are frequently observed, and they are often difficult to distinguish from a primary gastric cancer with signet ring cells. Moreover, because no characteristic symptoms are shown and they involve a submucosal lesion, it is difficult to make a radiographic diagnosis. However, if a gastric lesion is observed after breast carcinoma surgery, differentiation between a gastric primary lesion and a metastatic lesion is very important in order to determine treatment. We encountered a case that was diagnosed as early gastric cancer discovered using an endoscope 2 years after surgery and which was found to be breast cancer metastasis to the stomach by gross cystic disease fluid protein (GCDFP) and cytokeratin (CK) 7/20 immunostaining of the biopsy tissue. Here, we report our findings of this unique case.



 goto top of outline Author Contacts

Fumikata Hara
Department of Breast Oncology, National Hospital Organization Shikoku Cancer Center, 160 Kou
Minamiumemoto-machi, Matsuyama, Ehime 791-0280 (Japan)
Tel. +81 89 999 1111, Fax +81 89 999 1100, E-Mail hfumikat@shikoku-cc.go.jp


 goto top of outline Article Information

Published online: April 29, 2010
Number of Print Pages : 6
Number of Figures : 2,


 goto top of outline Publication Details

Case Reports in Oncology

Vol. 3, No. 2, Year 2010 (Cover Date: April - August)

Journal Editor: Markman M. (Houston, Tex.)
ISSN: NIL (Print), eISSN: 1662-6575 (Online)

For additional information: http://www.karger.com/CRO


Open Access License / Drug Dosage

Open Access License: This is an Open Access article licensed under the terms of the Creative Commons Attribution-NonCommercial 3.0 Unported license (CC BY-NC) (www.karger.com/OA-license), applicable to the online version of the article only. Distribution permitted for non-commercial purposes only.
Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in goverment regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.