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  • 1
    Electronic Resource
    Electronic Resource
    Histologic Heterogeneity of Masses at Percutaneous Breast Biopsy (2002)
    Boston, MA, USA : Blackwell Science Inc
    The @breast journal 8 (2002), S. 0 
    Details
    ISSN: 1524-4741
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The purpose of this study was to determine whether different histologic findings are obtained from different areas of breast masses seen on mammography when targeted on stereotactic breast biopsy. Twenty-one masses (mean size, 1.8 cm; range, 0.7–5.5 cm) underwent stereotactic biopsy using a 14-gauge directional vacuum-assisted biopsy probe (Mammotome, Biopsys/Ethicon Endo-Surgery, Cincinnati, OH). The central and peripheral areas of the mass were targeted and biopsied separately, and histologic findings from the targeted center and periphery were compared. Six of 21 masses (29%) were heterogeneous, yielding different histologic results from the targeted center and periphery. In 4 heterogeneous masses, which constituted 4 of 21 masses (19%) in this study, surgical biopsy was recommended on the basis of findings obtained from only the center (n = 2) or the periphery (n = 2). Stereotactic biopsy findings in these 4 masses were atypia in 3 and radial scar in 1; none of these 4 masses had carcinoma at surgery. In all 4 masses that proved to be malignant, the diagnosis of carcinoma was made in specimens obtained from both the targeted center and the periphery of the mass. Breast masses can be heterogeneous, yielding different histologic findings from different areas of the mass. Our data suggest that sampling part but not all of a mass may miss certain histologic components of the mass, but should not result in a failure to diagnose carcinoma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1524-4741.2002.08305.x
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  • 2
    Electronic Resource
    Electronic Resource
    Limitations and Complications in the Utilization of Stereotaxic Core Breast Biopsy (1996)
    Oxford, UK : Blackwell Publishing Ltd
    The @breast journal 2 (1996), S. 0 
    Details
    ISSN: 1524-4741
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: Stereotaxic core biopsy of the breast is becoming an increasingly utilized tool for the diagnosis of breast disease without surgery. It can increase the speed and decrease the cost and deformity associated with diagnosis. However, some shortcomings in the procedure exist and radiologists and patients should be aware of these.Lesions that are in thin areas of the breast or close to the skin may be difficult t o biopsy with this technique. Lesions near the chest wall or in the axilla may be inaccessible with some equipment, especially prone tables. Small lesions may be totally removed, making localization of the area for wider surgical excision difficult if they are malignant. Some types of calcifications may be difficult t o sample.Certain histologies require wider surgical excision when diagnosed with core biopsy. These include ductal atypia and radial scars. Areas of invasion associated with duct carcinoma in situ (DCIS) may be missed on core sampling. Major complications are rare and include bleeding and infection. Minor complications are ecchymosis, pain, and inability t o return t o normal activities for a day or more.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1524-4741.1996.tb00059.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Mammography of Breast Cancer in Women Under 30 (1995)
    Oxford, UK : Blackwell Publishing Ltd
    The @breast journal 1 (1995), S. 0 
    Details
    ISSN: 1524-4741
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: The purpose of this study was to assess the efficacy of mammography of breast cancer in women less than 30 years old. A retrospective record review revealed 47 breast cancers in 45 women age 29 and younger who had preoperative mammography. Patients ranged in age from 22 to 29 years (mean = 27 years). All presented with clinically evident disease. Mammography revealed focal abnormality in 26 (55.3%) of 47 cases. Specific positive mammographic findings (n = 22) included uncalcified mass in ten (45.5%), calcification without mass in nine (40.9%), mass and calcifications in two (9.1%), and skin ulceration in one. Mammographic parenchymal density (n= 21) was P2 in 9 (42.9%) and DY in 12 (57.1%). The mean time interval from symptom onset to biopsy was 4.5 months, but was shorter if the mammogram was positive. High parenchymal density contributes to the diminished sensitivity of mammography in women under age 30. A positive mammogram may hasten the diagnosis of carcinoma in a young woman with palpable malignant breast disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1524-4741.1995.tb00228.x
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  • 4
    Electronic Resource
    Electronic Resource
    Determination of the Presence and Extent of Pure Ductal Carcinoma in Situ by Mammography and Magnetic Resonance Imaging (2005)
    Oxford, UK : Blackwell Publishing Ltd
    The @breast journal 11 (2005), S. 0 
    Details
    ISSN: 1524-4741
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract:  The purpose of this study was to compare the ability of magnetic resonance imaging (MRI) and mammography to determine the presence and extent of ductal carcinoma in situ (DCIS). Retrospective review of medical records of women who underwent MRI and mammographic examination during a 23-month period revealed 39 sites of pure DCIS in 33 breasts of 32 women. No invasive or microinvasive tumor was found. Women ranged in age from 34 to 79 years (mean age 53 years). In these 33 breasts, both MRI and mammography were done before surgery. Reports and images of mammography and MRI were reviewed to determine if each study was positive for the presence of single or multiple sites of DCIS and the imaging patterns associated with these sites. Of 33 breasts involved, DCIS was discovered by MRI alone in 21 (64%), by both MRI and mammography in 8 (24%), and by mammography alone in 1 (3%); in 3 breasts (9%), DCIS was found at mastectomy without findings on mammography or MRI. MRI had significantly higher sensitivity than mammography for DCIS detection (29/33 = 88% versus 9/33 = 27%, p 〈 0.00001). Multiple sites of disease were present in five breasts; these were better demonstrated with MRI in three, mammography in one, and equally by both in one. The predominant enhancement pattern of DCIS on MRI was linear/ductal in 18 of 29 breasts (62%); mammography found calcifications associated with DCIS in 8 of 9 (89%). The nuclear grade of DCIS found with MRI and mammography was similar; size of lesions was larger on MRI; breast density did not impact results. In this study, MRI was significantly more sensitive than mammography in DCIS detection. In women with known or suspected DCIS, MRI may have an important role to play in assessing the extent of disease in the breast.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1075-122X.2005.00121.x
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  • 5
    Electronic Resource
    Electronic Resource
    Sentinel Lymph Node Biopsy: Is It Indicated in Patients With High-Risk Ductal Carcinoma-In-Situ and Ductal Carcinoma-In-Situ With Microinvasion? (2000)
    Springer
    Annals of surgical oncology 7 (2000), S. 636-642 
    Details
    ISSN: 1534-4681
    Keywords: Breast carcinoma ; Ductal carcinoma-in-situ ; Microinvasion ; Sentinel lymph node biopsy ; Intraductal carcinoma ; Micrometastases
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: Axillary lymph node status is the strongest prognostic indicator of survival for women with breast cancer. The purpose of this study was to determine the incidence of sentinel node metastases in patients with high-risk ductal carcinoma-in-situ (DCIS) and DCIS with microinvasion (DCISM). Methods: From November 1997 to November 1999, all patients who underwent sentinel node biopsy for high-risk DCIS (n = 76) or DCISM (n = 31) were enrolled prospectively in our database. Patients with DCIS were considered high risk and were selected for sentinel lymph node biopsy if there was concern that an invasive component would be identified in the specimen obtained during the definitive surgery. Patients underwent intraoperative mapping that used both blue dye and radionuclide. Excised sentinel nodes were serially sectioned and were examined by hematoxylin and eosin and by immunohistochemistry. Results: Of 76 patients with high-risk DCIS, 9 (12%) had positive sentinel nodes; 7 of 9 patients were positive for micrometastases only. Of 31 patients with DCISM, 3 (10%) had positive sentinel nodes; 2 of 3 were positive for micrometastases only. Six of nine patients with DCIS and three of three with DCISM and positive sentinel nodes had completion axillary dissection; one patient with DCIS had an additional positive node detected by conventional histological analysis. Conclusions: This study documents a high incidence of lymph node micrometastases as detected by sentinel node biopsy in patients with high-risk DCIS and DCISM. Although the biological significance of breast cancer micrometastases remains unclear at this time, these findings suggest that sentinel node biopsy should be considered in patients with high-risk DCIS and DCISM.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s10434-000-0636-2
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