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  • 1
    ISSN: 1436-2813
    Keywords: breast cancer ; tissue CEA ; CEA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The relationship of tissue carcinoembryonic antigen (CEA) to clinicopathological factors and prognosis was investigated in 168 patients with invasive ductal carcinoma of the breast. Tissue CEA was determined by radioimmunoassay and a level of 5.1 ng/ml or more considered to be positive. Tissue CEA was positive in 31.5 per cent of the patients overall and, of the clinicopathological factors, tumor size and the presence or absence of lymph node involvement were not found to be correlated with tissue CEA. However, the tissue CEA positivity rate was significantly higher in patients who had four or more metastatic lymph nodes (p〈0.01). Tissue CEA-positive patients showed earlier recurrence than CEA-negative patients (p〈0.01) and had a poorer outcome (p〈0.05). Thus, tissue CEA is considered useful as a prognostic index for primary breast cancer patients.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1436-2813
    Keywords: Breast cancer ; lumpectomy ; local residual carcinoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract From 1989 to 1991, 24 patients with invasive ductal carcinoma underwent simulated lumpectomy at Tokyo Women's Medical College Daini Hospital. The mastectomy specimens were then examined histopathologically in serial sections for the presence of residual tumors or multicentricity. Lumpectomy specimens from cancer foci at resected margins were also examined. In this study, 23 of 24 patients demonstrated positive resection margins (95.8%). Residual tumors were found in mastectomy specimens from 16 patients (66.7%); unilateral multifocal carcinomas were found in 2 of these patients (8.3%). The incidence and severity of residual tumors did not correlate with primary tumor size or the distance between the nipple and the primary tumor but directly correlated with the severity of intraductal spread of the primary tumor. Tumors with central necrosis were associated with a higher incidence of residual tumors. Our study thus indicates that there is a high risk that some residual tumor will be left in the conserved breast when lumpectomy is performed. Multifocal carcinoma and tumors showing severe intraductal spread and central necrosis are thus associated with extensive residual tumors and are likely to cause local recurrence.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1573-7217
    Keywords: breast cancer ; metastasis ; liver metastasis ; surgical procedure ; hepatectomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We have performed a retrospective study to evaluate whether surgical treatment is beneficial in patients with hepatic metastases from breast cancer. Between September 1985 and September 1998, 25 patients with hepatic metastases (14 solitary and 11 multiple), eight of whom had extrahepatic metastases, underwent hepatectomy. All of the detectable liver metastasis were resected in all of the cases. There were no severe postoperative complications. All but one of the patients received adjunctive polychemotherapy after the hepatectomy. After the hepatectomy, recurrent tumors were detected in 18 of the patients, being located in the liver in 12 (67%) of them. Overall, however, hepatectomy ensured that the liver was clinically recurrence-free for a median of 24 months (range 2–132 months). Eleven patients died of recurrent tumors, two died of other causes and the remaining 12 are currently alive. The 2- and 5-year cumulative survival rates after hepatectomy were 71% and 27%, respectively, and the median survival duration was 34.3±3.2 months, much better than the period of 8.5 months for another series of patients treated with standard or non-surgical therapies at our institution. The number and the size of hepatic metastases, the interval between treatment of the primary lesion and hepatectomy, and the existence of extrahepatic metastasis were not adverse prognostic factors. In conclusion, our data, although limited and highly selective, suggest that surgical treatment of hepatic metastases from breast cancer may prolong survival in certain subgroups of patients to a greater extent than standard or non-surgical therapies.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1573-7217
    Keywords: breast cancer ; duct endoscopy ; galactography ; intraductal biopsy of the breast ; nipple discharge
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Microdochectomy is usually performed on patients with nipple discharge caused by intraductal proliferative lesions, such as intraductal papilloma and carcinoma. But this operation often sacrifices large amounts of normal mammary gland even when the lesion is a benign intraductal papilloma a few millimeters in diameter. We have developed duct endoscopy for the mammary duct system, and have reliably performed biopsies for intraductal proliferative lesions intraductally. From June 1989 to April 1990, we examined 22 cases by duct endoscopy, and performed endoscopic biopsy in 16 cases. The method of endoscopic biopsy is as follows. First, a bougie is inserted, without anesthesia other than Xylocaine jelly, into the orifice of the duct to enlarge it. Second, the outer cylinder and the inner needle are inserted; then the inner needle is removed, and the endoscope is inserted. After examination, the outer cylinder is moved up to the lesion to be biopsied and the endoscope is taken out. Then a sample is taken into the outer cylinder by aspiration. We diagnosed 10 cases of benign lesion and 5 cases of malignant lesion by cytological and/or histological examination. In conclusion, endoscopic biopsy, aided by duct endoscopy, is a useful and harmless diagnostic procedure in the evaluation of nipple discharge.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1435-232X
    Keywords: Key wordsBRCA1 ; BRCA2 ; Breast cancer family ; Germline mutation ; Missense mutation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Mutations in either of two recently identified genes, BRCA1 and BRCA2, are thought to be responsible for approximately two-thirds of all cases of autosomal-dominantly inherited breast cancer. To examine the nature and frequency of BRCA1 and BRCA2 mutations in Japanese families exhibiting a high incidence of breast cancer, we screened 78 unrelated families in this category for mutations of these two genes. Examining the entire coding sequences as well as exon–intron boundaries of both genes by polymerase chain reaction (PCR) single-strand conformation polymorphism (SSCP) and multiplex-SSCP analysis, we identified possible disease-causing alterations in BRCA1 among affected members of 15 families and in BRCA2 in another 14 families. In 15 of those 29 families, the affected individuals carried missense mutations, although most germline mutations reported worldwide have been deletions or nonsense mutations. Our results, indicating that missense mutations of BRCA1 and BRCA2 tend to predominate over frameshifts or nonsense mutations in Japanese breast cancer families, will contribute signifi-cantly to an understanding of mammary tumorigenesis in Japan, and will be of vital importance for future genetic testing.
    Type of Medium: Electronic Resource
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