Breast diseases Archives - Page 2 of 2 - Revista Brasileira de Ginecologia e Obstetrícia

  • Artigo de Revisão

    Benign breast masses: a review on diagnosis and management

    Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(4):211-219

    Summary

    Artigo de Revisão

    Benign breast masses: a review on diagnosis and management

    Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(4):211-219

    DOI 10.1590/S0100-72032007000400008

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    The benign mammary tumors are responsible for up to 80% of the clinical masses. Its differential diagnosis is wide, involving mammary cysts, fibroadenomas, phyllodes tumors, papillomas, hamartomas, and adenomas, among others. The fibroadenoma is the most common mammary neoplasia in patients under 35 years old, while the cysts are more frequent in the perimenopause. The differential diagnosis among solid or cystic nodules can be made through the fine-needle aspiration or by ultrasound, being therapeutic for the last ones. In this article, the differential diagnostic aspects will be revised between these tumors, as well as the new therapeutic approaches.

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    Benign breast masses: a review on diagnosis and management
  • Artigos Originais

    Evaluation of the efficacy of the excisional biopsy after wire localization of nonpalpable breast lesions

    Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(4):200-204

    Summary

    Artigos Originais

    Evaluation of the efficacy of the excisional biopsy after wire localization of nonpalpable breast lesions

    Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(4):200-204

    DOI 10.1590/S0100-72032007000400006

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    PURPOSE: the aim of this clinical study of the histological findings in nonpalpable breast lesions managed by surgical excision after wire localization. METHODS: a total of 48 women subjected to 51 preoperative localizations of nonpalpable, mammographically detected breast lesions during August 2001 to April 2005. Indications for biopsy were clustered microcalcifications, solid mass, radiologic parenchymal distortion and focal asymmetries. The lesions were localized preoperatively using hook wire methods, and all biopsies were performed under local anesthesia and venous sedation. RESULTS: histopathology revealed carcinoma in 16 biopsies (31.4%). Noninvasive carcinoma was found in 50% of malignant lesions. Successful lesion sampling was achieved at the first attempt in 100% of cases. Among all malignant lesions, positive-surgical margins were observed in 18.7%. Postoperative complications were a rare event in our series. Suture dehiscence was found in four patients (7.8%). Two of these (3.9%) had local infection. CONCLUSIONS: the hook-wire localization for nonpalpable breast lesions is a simple, accurate and safe method for detection of early breast cancers. The appropriate surgical approach in a single procedure is an excellent method for diagnosis and treatment for early stage, nonpalpable breast carcinoma.

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    Evaluation of the efficacy of the excisional biopsy after wire localization of nonpalpable breast lesions
  • Artigos Originais

    Detection and excision of non-palpable breast lesions by radioguided surgery and air injection for radiological control

    Revista Brasileira de Ginecologia e Obstetrícia. 2005;27(11):650-655

    Summary

    Artigos Originais

    Detection and excision of non-palpable breast lesions by radioguided surgery and air injection for radiological control

    Revista Brasileira de Ginecologia e Obstetrícia. 2005;27(11):650-655

    DOI 10.1590/S0100-72032005001100003

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    PURPOSE: to asses the efficiency of the radioguided localization and removal of occult breast lesions using radiopharmaceuticals injected directly into the lesions or close to them with posterior air injection as a radiological control. METHODS: twenty-nine consecutive patients with thirty-two occult breast lesions detected mammographically or by ultrasound, and categorized 3, 4 and 5 BI-RADS®, were included in this observational study with results expressed in percentages. The radiopharmaceutical used was human serum albumin labeled with 99mTc-HSA injected inside or close to the lesion using mammographic or ultrasonographic guidance. The injection of the radiopharmaceutical was followed immediately by air injection through the needle used for stereotaxis as a radiological control of the radiopharmaceutical placement. The excision biopsy was carried out with the aid of a hand-held gamma-detecting probe and the entire removal of the lesion was verified by X-ray of the surgical specimens or by intraoperative frozen section examination. RESULTS: breast cancer was found in 10.0% (1/10) of the 3 BI-RADS® lesions, in 31.5% (6/19) of the 4 BI-RADS® and in 66.6% (2/3) of the 5 BI-RADS®. The radiotracer was correctly positioned in 96.8% of the specimens (31/32) allowing the removal of also 96.8% of the studied non-palpable breast lesions. To show the entire removal, X-ray was used in 23 cases (71.8%), intraoperative frozen section study in 21.8% (7/32) and both methods in 6.2% (2/32). CONCLUSIONS: radioguided surgery showed to be an important tool in the removal of non-palpable breast lesions, as a simple, fast and feasible method that can be implemented in the clinical routine of these patients.

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    Detection and excision of non-palpable breast lesions by radioguided surgery and air injection for radiological control
  • Artigos Originais

    A breast sonography classification proposal

    Revista Brasileira de Ginecologia e Obstetrícia. 2005;27(9):515-523

    Summary

    Artigos Originais

    A breast sonography classification proposal

    Revista Brasileira de Ginecologia e Obstetrícia. 2005;27(9):515-523

    DOI 10.1590/S0100-72032005000900003

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    PURPOSE: the technological improvements in image quality have increased the importance of ultrasound as an imaging method in the study of breast pathologies. The need for a standardized method for lesion characterization, description and reporting in image analysis motivated the development of a breast sonographic report classification system. METHODS: the classification grouped the breast sonographic images in five classes: I - normal; II - benign; III - indeterminate, IV - suspect, and V - highly suspect. The used morphologic ultrasound features were shape, border, contour, echogenicity, echotexture, sound transmission, orientation, and secondary signals. The gold standard test, in the study of 450 lesions, considered sonographic follow-up of the lesions for a period from 6 to 24 months and the histopathology of surgical cases. RESULTS: breast sonographic classification for the diagnosis of breast cancer showed a sensitivity of 90.2% (CI: 82.8-94.9%), a specificity of 96.2% (CI: 94.0-97.6%), a positive predictive value of 84.1% (CI: 76.0-89.9%), and a negative predictive value of 97.8% (CI: 95.9-98.9%), obtaining an accuracy of 95.1%. CONCLUSIONS: the adoption of a sonographic classification system results in the standardization and optimization of the reports. It also aids the comparison with clinical findings, histopathological tests and breast images, avoiding unnecessary procedures and therefore leading to more adequate therapeutical management.

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    A breast sonography classification proposal

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