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Metaplastic breast carcinoma (MBC) is a rare, heterogeneous breast cancer characterized by admixture of adenocarcinoma with metaplastic elements, low hormone receptor expression, and poor outcomes. The authors retrospectively reviewed the medical records of 47 MBC patients and 1,346 invasive ductal carcinoma (IDC) patients. Two hundred eighteen of the IDC(More)
Endoscopic thyroidectomies have been performed using various approaches, and indications have expanded with the development of new surgical techniques and instruments. Endoscopic thyroid surgery using bilateral axillo-breast approaches have excellent cosmetic results and a symmetrical, optimal operative view. However, because of the two-dimensional view and(More)
Invasion of cancer cell induced by matrix metalloproteinase-9 (MMP-9) is one of pivotal steps in cancer metastasis. Herein, we investigated how cell invasion was regulated by berberine (BBR), an isoquinoline derivative alkaloid compound, in MDA-MB-231 human breast cancer cells. The basal level of MMP-9 activity and expression was dose-dependently increased(More)
BACKGROUND AND OBJECTIVE Breast metastasis from extramammary neoplasm is rare. We present the cases of metastasis to the breast after review of results in one institute and we want to show the difference of previous report. METHODS The surgical and pathology databases of Samsung Medical Center from November 1994 to March 2009 were investigated to identify(More)
Magnetic resonance imaging (MRI) has been used for the local staging of breast cancer, especially to determine the extent of multiple lesions and to identify occult malignancies. The aim of this study was to evaluate the effect of pre-operative MRI on the surgical treatment of breast cancer. Between January 2006 and May 2007, 535 newly diagnosed breast(More)
OBJECTIVE We wanted to compare the ability of screen-film mammography (SFM) and soft-copy full-field digital mammography (s-FFDM) on two different monitors to detect and characterize microcalcifications. MATERIALS AND METHODS The images of 40 patients with microcalcifications(three patients had malignant lesion and 37 patients had benign lesion), who(More)
Sparganosis is a seldom encountered disease of the breast. Based on the results of previous studies and our own experience, we investigated the clinical characteristics of breast sparganosis. Four patients who were treated for breast sparganosis at Samsung Medical Center were included in the study, and additional data were retrieved from the Index Medicus(More)
PURPOSE The frequency of immediate breast reconstruction (IBR) is increasing, and the types of reconstruction used are diverse. Adjuvant chemotherapy is a life-saving intervention in selected high-risk breast cancer patients. The aim of our study was to determine how IBR and type of reconstruction affect the timing of the initiation of chemotherapy. (More)
Purpose Abnormal expression of the cell cycle regulatory protein Bmi-1 has been studied in breast cancer, but the clinical relevance has not been fully elucidated. We studied the expression of Bmi-1 protein in breast cancer patients to define its clinical significance in breast cancer. Experimental Design Tissue microarrays were performed to evaluate the(More)
To evaluate the relationship between the c-kit proto-oncogene product and malignant transformation of human breast tissue, we examined the immunohistochemical expression of the c-kit proto-oncogene product in both malignant and non-malignant breast tissues. The immunohistochemical expression of the c-kit proto-oncogene product in 40 primary breast cancer(More)