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Flat epithelial atypia is a common subtype of B3 breast lesions and is associated with noninvasive cancer but not with invasive cancer in final excision histology

Noske, Aurelia, MD ; Pahl, Stefan, MD ; Fallenberg, Eva, MD ; Richter-Ehrenstein, Christiane, MD ; Buckendahl, Ann-Christin, MD ; Weichert, Wilko, MD ; Schneider, Achim, MD ; Dietel, Manfred, MD ; Denkert, Carsten, MD

Human pathology, 2010-04, Vol.41 (4), p.522-527 [Periódico revisado por pares]

New York, NY: Elsevier Inc

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Título:
Flat epithelial atypia is a common subtype of B3 breast lesions and is associated with noninvasive cancer but not with invasive cancer in final excision histology
Autor: Noske, Aurelia, MD ; Pahl, Stefan, MD ; Fallenberg, Eva, MD ; Richter-Ehrenstein, Christiane, MD ; Buckendahl, Ann-Christin, MD ; Weichert, Wilko, MD ; Schneider, Achim, MD ; Dietel, Manfred, MD ; Denkert, Carsten, MD
Assuntos: ADH ; Adult ; Aged ; Aged, 80 and over ; B-classification ; Biological and medical sciences ; Biopsy ; Breast ; Breast Neoplasms - pathology ; Breast Neoplasms - surgery ; FEA ; Female ; Humans ; Investigative techniques, diagnostic techniques (general aspects) ; Mammary Glands, Human - pathology ; Mammary Glands, Human - surgery ; Medical sciences ; Middle Aged ; Needle core biopsy ; Neoplasm Invasiveness ; Pathology ; Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques ; Young Adult
É parte de: Human pathology, 2010-04, Vol.41 (4), p.522-527
Descrição: Summary The biological behavior and the optimal management of benign breast lesions with uncertain malignant potential, the so-called B3 lesions, found in breast needle core biopsies is still under debate. We addressed this study to compare histologic findings in B3 needle core biopsies with final excision specimens to determine associated rates of malignancy. Consecutive needle core biopsies were performed in a 3-year period (January 1, 2006-December 31, 2008). Biopsies were image-guided (31 by ultrasound, 85 stereotactic vacuum-assisted, 6 unknown) for evaluation of breast abnormalities. We reviewed 122 needle core biopsies with B3 lesions of 91 symptomatic patients and 31 screen-detected women and compared the B3 histologic subtypes with the final excision histology. A total of 1845 needle core biopsies were performed and B3 lesions comprised 6.6% of all B categories. The most common histologic subtype in biopsies was flat epithelia atypia in 35.2%, followed by papillary lesions in 21% and atypical ductal hyperplasia in 20%. Reports on excision specimens were available in 66% (81 patients). Final excision histology was benign in 73 (90.2%) and malignant in 8 (9.8%) patients (2 invasive cancer, 6 ductal carcinoma in situ). Of all B3 subtypes, atypical ductal hyperplasia and flat epithelial atypia were associated with malignancy, whereas only atypical ductal hyperplasia was accompanied by invasive cancer. Of all lesions, flat epithelial atypia was most frequently found in excision specimens (18%). In our study, flat epithelial atypia and atypical ductal hyperplasia are common lesions of the B3 category in needle core biopsies of the breast. Both lesions are associated with malignancy, whereas only atypical ductal hyperplasia was related to invasive cancer. We conclude that an excision biopsy after diagnosis of flat epithelial atypia is recommended depending on clinical and radiologic findings.
Editor: New York, NY: Elsevier Inc
Idioma: Inglês

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Flat epithelial atypia is a common subtype of B3 breast lesions and is associated with noninvasive cancer but not with invasive cancer in final excision histology

Noske, Aurelia, MD ; Pahl, Stefan, MD ; Fallenberg, Eva, MD ; Richter-Ehrenstein, Christiane, MD ; Buckendahl, Ann-Christin, MD ; Weichert, Wilko, MD ; Schneider, Achim, MD ; Dietel, Manfred, MD ; Denkert, Carsten, MD

New York, NY: Elsevier Inc

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