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01 January 2020 : Case report  USA

Breast Cancer Metastasis Masquerading as Primary Colon and Gastric Cancer: A Case Report

Unusual clinical course, Mistake in diagnosis, Management of emergency care

Arish Noor1EF*, Nerea Lopetegui-Lia1EF, Aakash Desai1E, Thalia Mesologites2BCD, Joerg Rathmann3EF

DOI: 10.12659/AJCR.917376

Am J Case Rep 2020; 21:e917376

Abstract

BACKGROUND: Breast cancer is the most common malignancy in women worldwide. Despite treatment, recurrence and metastasis are common. Lobular breast cancer most commonly metastasizes to the lungs, liver, lymph nodes, and sites in the brain. Metastasis to the gastrointestinal tract is rare, with few cases reported to date.

CASE REPORT: This report describes a patient with late colon and gastric metastases from lobular breast cancer mimicking primary colon and gastric cancers.

CONCLUSIONS: Immunohistochemical methods can help differentiate metastatic breast disease to the gastrointestinal tract from primary gastrointestinal malignancy.

Keywords: Breast Neoplasms, Colonic Neoplasms, Neoplasm Metastasis, Stomach Neoplasms, Aged, Biomarkers, Tumor, Carcinoma, Lobular, Diagnosis, Differential, Fatal Outcome, Gastrointestinal Neoplasms, Immunohistochemistry

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923