乳腺管状癌(pure type)の1例

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  • A case of tubular carcinoma (pure type).

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A 51-year-old woman was referred to our hospital with a diagnosis of ductal carcinoma of the breast which was made by a fine needle aspiration biopsy under ultrasound (US) guidance at another hospital. After admission, mammography was not helpful for the diagnosis. US showed the lesion 8mm in diameter with an unclear border and a large depth width ratio in the left upper lateral quadrant. No lymphnodes were involved. No distant metastases were demonstrated neither by CT scan nor by bone scintigraphy. The patient was diagnosed as having stage 1 (T1N0M0) breast cancer. We performed a conservative surgery on February 14, 2000, and added radiation theraphy. The pathological report finally showed tubular carcinoma (pure type) of the left breast. Nuclear malignancy of the epithelium cells was low and a single layer of the epithelium cells formed well-shaped small open ducts and apical snouts. This type of cancer is commonly seen in pre-menoposal woman. The prognosis of it is comparatively good, however, coexisting benign diseases such as sclerosing adenosis and blunt duct adenosis are often seen in such patients, so that the differential diagnosis is important.

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