MR-guided stereotactic breast biopsy using a mixed ferromagnetic- nonmagnetic coaxial system with 12- to 18-gauge needles: Clinical experience and long-term outcome; [Biopsia mammaria stereotassica RM-guidata mediante sistema coassiale misto ferromagnetico-amagnetico con aghi da 12-18 Gauge: esperienza clinica e risultati a lungo termine]

被引：0
作者：
Belloni E. [1 ]
Panizza P. [2 ]
Ravelli S. [3 ]
De Cobelli F. [3 ]
Gusmini S. [3 ]
Losio C. [3 ]
Sassi I. [4 ]
Perseghin G. [5 ]
Del Maschio A. [3 ]
机构：
[1] Radiology Department, Guglielmo da Saliceto Hospital, 29100 Piacenza, Cantone del Cristo
[2] Radiology Department, Istituto Dei Tumori Foundation, Milan
[3] Radiology Department, Vita-Salute University, San Raffaele Scientific Institute, Milan
[4] Pathology Department, Vita-Salute University, San Raffaele Scientific Institute, Milan
[5] Sport, Nutrition and Health Department, Università Degli Studi, Milan
来源：
La radiologia medica | 2013年 / 118卷 / 7期
关键词：
Breast biopsy; Breast lesion; Breast magnetic resonance; Coaxial needle; Follow-up;
D O I：
10.1007/s11547-013-0954-7
中图分类号：
学科分类号：
摘要：
Purpose: This study investigated the clinical application of a magnetic-resonance (MR)-guided breast biopsy (MRBB) system consisting of a nonmagnetic coaxial needle and a ferromagnetic core biopsy needle. Materials and methods: MRBB was performed on 70 breast lesions. The biopsy device consisted of a nonmagnetic 14- to 16-gauge coaxial needle and a ferromagnetic 16- to 18-gauge biopsy needle. Results: Of the 70 lesions, 29 were malignant and 41 nonmalignant. All 29 malignant lesions underwent surgery and were confirmed as malignant at final histology. Of the 41 nonmalignant lesions, 35 underwent follow-up breast MR imaging (mean, 26±19 months), which demonstrated no lesions changes; six lesions underwent surgery because of poor radiological-pathological correlation; of these 6 lesions, 3 were nonmalignant, one was borderline (lobular carcinoma in situ) and two were malignant (well-differentiated tubular carcinoma and infiltrating ductal carcinoma). Sensitivity, specificity, positive and negative predictive values and diagnostic accuracy were, respectively, 93.5%, 100%, 100%, 95.1% and 97.1% if the lobular carcinoma in situ was considered a nonmalignant histological result, and 90.6%, 100%, 100%, 92.7% and 95.7% if the lobular carcinoma in situ was considered malignant. Conclusions: MRBB with a ferromagnetic-nonmagnetic coaxial system represented an easy way to perform a biopsy procedure and was easily applicable in the routine clinical setting. © 2013 Springer-Verlag.
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页码：1137 / 1148
页数：11
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