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KMID : 1134120080110010030
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Journal of Breast Cancer
2008 Volume.11 No. 1 p.30 ~ p.35
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Is US-guided 14-gauge Core Needle Biopsy Valid for Papillary Neoplasm of the Breast?
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Jung Na-Young
Lee Jae-Hee
Lee Ah-Won
Song Byung-Joo
Jung Sang-Seol
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Abstract
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Purpose: We wanted to determine the underestimation rate of ultrasound (US)-guided 14-gauge core needle biopsy for papillary neoplasms that were treated with subsequent surgical excision or vacuum-assisted biopsy (VAB) and we also wanted to evaluate the sonographic findings of papillary neoplasms. Methods: A retrospective review of the US-guided core needle biopsies of 984 consecutive lesions from January 2004 to April 2006 revealed 29 (3%) papillary neoplasms. Twenty five lesions were further excised by surgery (n=16) or VAB (n=9). The remaining 4 lesions were not further excised and they were excluded from this study. We evaluated the concordance between results of core needle biopsy and the final pathologic results. We reevaluate the sonographic findings of the papillary neoplasms included in our study. Results: The pathologic results of core needle biopsy were benign in 21 and atypical in four. Of the 21 benign papillomas, none were revealed as carcinoma after further excision. Just one lesion showed focal atypical ductal hyperplasia (ADH) after VAB. Three intraductal papillomas with ADH underwent surgical excision (n=3) or VAB (n=1), and they were proved to be the same pathologic entities with (n=1) or without (n=3) lobular neoplasia. The sonographic findings were as follows: four intraductal masses, four intracystic masses, four solid masses with peripheral anechoic rims, five extraductal masses adjacent to dilated ducts, six pure solid masses, and two mixed masses. Conclusion: US-guide 14-gauge core needle biopsy for papillary neoplasm showed no underestimation after surgical excision or VAB in our study, and the procedure proved to be reliable for the assessment of papillary neoplasm if the imaging and pathologic findings were concordant. Papillary neoplasms showed variable sonographic findings.
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KEYWORD
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Breast, Papilloma, Ultrasound-guided core needle biopsy, Automated gun biopsy
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