![]() ![]() Currently, there is no definitive guideline for the management of secondary breast metastasis from the colonic origin. Nevertheless, the triple assessment of the breast by physical examination, radiological, and pathological studies assisted in diagnosis and early establishment of the treatment. The patient started on palliative chemotherapy and was deceased after 11 months.Ĭomparing this case to the 56 similar cases, we found our case with an almost average time to metastasize but unfortunately with aggressive metastatic behavior to various organs. Eventually, the patient’s right breast mass measured about 2.1 cm on ultrasonography and revealed metastatic adenocarcinoma of the same colonic origin. The patient was diagnosed with multiple metastases over 5 years and endured numerous resections of the costal margins, ribs, diaphragm, liver wedges, abdominal wall, and the small bowel. We report a case of a 56-year-old male with constipation who underwent extended right hemicolectomy after confirmation of adenocarcinoma of the right colon. Secondary breast metastasis from the colonic origin is a rare phenomenon in the literature, and an estimation of an increase in the incidence has been reported in the literature to reach approximately 7%. The combination of tumor excision and chemotherapy was the most common strategy in managing this condition with inconsistent clinical outcomes. In establishing the diagnosis, certain immunohistochemical markers have been shown to be sensitive and specific in previously reported cases. If a biopsy is necessary, cancer history should be provided to the clinicians to prevent incorrect pathological interpretation. When a new breast lesion is detected in patients with colorectal cancer history, the physician should consider the possibility of breast metastasis due to the poor prognosis. She passed away 7 months after the detection of breast metastasis. The patient's disease progressed despite the interventions. ![]() The patient underwent breast tumor excision and reinitiated chemotherapy. Image and immunohistochemistry findings were consistent with breast metastasis from primary colorectal adenocarcinoma. We present a case of a 44-year-old Asian woman who noticed a new right breast lump after undergoing surgery and chemotherapy for her primary sigmoid colon cancer. ![]() Nevertheless, differentiating breast metastases from primary breast cancer is crucial because of their differences in prognosis and management. Since the most common malignancy in the breast and axilla is primary breast cancer regardless of cancer history, non-hematologic metastases may be misdiagnosed initially. Breast metastases from primary colorectal carcinoma are extremely rare, with only 45 cases being reported previously. ![]()
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