2011
DOI: 10.1159/000334079
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A Malignant Mass in the Breast Is Not Always Breast Cancer

Abstract: A 37-year-old woman presented to the Internal Medicine Clinic with complaints of abdominal pain and constipation which had begun 3 months earlier. A colonoscopy was performed, and wall thickening of the sigmoid colon was detected. A biopsy of the sigmoid colon revealed a poorly differentiated, mucin-producing adenocarcinoma with a signet-ring pattern. No distant metastasis was detected. The patient was treated with chemotherapy consisting of 5-fluorouracil, leucovorin, and oxaliplatin. One and a half years lat… Show more

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Cited by 15 publications
(27 citation statements)
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“…An ultrasound-guided core needle biopsy of the lesion is the standard of care for establishing an accurate diagnosis, and hence full clinical details at the time of histology examination are paramount 10. The differentiation between primary breast carcinoma and colorectal metastatic adenocarcinoma can be difficult on routine hematoxylin and eosin staining.…”
Section: Discussionmentioning
confidence: 99%
“…An ultrasound-guided core needle biopsy of the lesion is the standard of care for establishing an accurate diagnosis, and hence full clinical details at the time of histology examination are paramount 10. The differentiation between primary breast carcinoma and colorectal metastatic adenocarcinoma can be difficult on routine hematoxylin and eosin staining.…”
Section: Discussionmentioning
confidence: 99%
“…Colon cancer is the third most common type of cancer, worldwide. The most common sites of colon cancer metastasis the regional lymph nodes, liver, lungs, and bone 1 . We present a case of colon cancer with an unusual metastatic pattern mimicking an Ampulla of Vater neoplasm.…”
Section: Dear Editormentioning
confidence: 99%
“…Tumors showed similar histology and immuno histochemical findings for cytokeratin 7 , cytokeratin 20. Metastasis from colon cancer usually occurs in the liver and lung parenchyma 1 . Metastasis from colon cancer rarely occurs in the thimic, vaginal, urethral, breast and penis 2,3 .…”
Section: Dear Editormentioning
confidence: 99%
“…Metastatic lesions in breast are seen around and welldemarcated in mammography on the other hand spiculated, microcalcification and skin changes are not expected. It is recommended that to avoid surgical operations in the case of presenting these symptoms (7). In a study, Barthelmes et al advocated to avoid unnecessary surgical interventions because of short survival expectation and risk of skin planting (8).…”
Section: Dıscussıonmentioning
confidence: 99%