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外文期刊>Pathology oncology research: POR
>Non-Malignant Breast Papillary Lesions - B3 Diagnosed on Ultrasound - Guided 14-Gauge Needle Core Biopsy: Analysis of 114 Cases from a Single Institution and Review of the Literature
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Non-Malignant Breast Papillary Lesions - B3 Diagnosed on Ultrasound - Guided 14-Gauge Needle Core Biopsy: Analysis of 114 Cases from a Single Institution and Review of the Literature
One-hundred-fourteen consecutive cases of breast ultrasound-guided 14-gauge needle core biopsy (14G NCB) performed from January 2001 to June 2013 and diagnosed as non-malignant papillary lesion (PL)-B3, were reviewed and compared with definitive histological diagnosis on surgical excision (SE) to evaluate the diagnostic accuracy of ultrasound-guided 14G NCB. PL with epithelial atypia on 14G NCB were associated to malignancy on definitive histological diagnosis on SE in 22 (7 DCIS and 15 invasive carcinomas) of 46 cases with an underestimation rate of 47.8?%, while 9 (4 DCIS and 5 invasive carcinomas) cases out of 68 cases of PL without epithelial atypia were upgraded to carcinoma with an underestimation rate of 13.2?%. In cases of PL with epithelial atypia on ultrasound-guided 14G NCB, SE appears mandatory due to the high risk of associated malignancy. The diagnosis of PL without epithelial atypia on ultrasound-guided 14G NCB does not exclude malignancy at subsequent SE, consequently further assessment (by surgical or vacuum-assisted excision) is recommended to avoid the risk of delaying a diagnosis of malignancy, although this tends to be lower (1 in 8 patients).
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