The online version of this article (doi:10.1186/1477-7819-10-256) contains supplementary material, which is available to authorized users.
The authors declare that they have no competing interests.
XCZ performed the literature review, drafted and revised the manuscript. HZ, YHY and XFZ participated in the design of the study and revised the manuscript for intellectual content. YJ evaluated the histopathological features and contributed to the histopathological section of the manuscript. All authors read and approved the final manuscript.
The most common sites of breast cancer metastasis are the bone, lung, liver and brain. However, colonic metastases from breast cancer are very rare in the clinic. We describe an unusual case of sigmoid colonic metastasis from invasive ductal breast cancer. With this report, we should increase the clinical awareness that any patient with a colorectal lesion and a history of malignancy should be considered to have a metastasis until proven otherwise. Early diagnosis is very important, which enables prompt initiation of systemic treatment, such as chemotherapy, endocrine therapy or both, thus avoiding unnecessary radical surgical resection and improving the prognosis.
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- Invasive ductal breast cancer metastatic to the sigmoid colon
- BioMed Central
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