Effect of Needle Size in Ultrasound-guided Core Needle Breast Biopsy: Comparison of 14-, 16-, and 18-Gauge Needles

Maurizio Romani, Paolo Belli, Alba Di Leone, Enida Bufi, Lorenzo Bonomo

Risultato della ricerca: Contributo in rivistaArticolo in rivista

3 Citazioni (Scopus)

Abstract

Our study evaluated the diagnostic accuracy of breast ultrasound-guided core needle biopsy (US-CNB), comparing smaller needles (16- and 18-gauge) with the 14-gauge needle. A total of 1118 US-CNB cases were retrospectively reviewed, and no differences were observed in the diagnostic accuracy parameters among the 3 needle size groups. US-CNB performed with smaller needles is a valid alternative to 14-guage US-CNB for assessing suspicious breast lesions. Introduction The aim of the present study was to assess the diagnostic accuracy of ultrasound-guided core needle biopsy (US-CNB) of breast lesions, comparing smaller needles (16- and 18-gauge) with the 14-gauge needle, and to analyze the lesion characteristics influencing US-CNB diagnostic performance. Patients and Methods All the patients provided informed consent before the biopsy procedure. The data from breast lesions that had undergone US-CNB in our institution from January 2011 to January 2015 were retrospectively reviewed. The inclusion criterion was the surgical histopathologic examination findings of the entire lesion or radiologic follow-up data for ≥ 24 months. The exclusion criterion was the use of preoperative neoadjuvant therapy. The US-CNB results were compared with the surgical pathologic results or with the follow-up findings in the 3 needle size groups (14-, 16-, and 18-gauge). The needle size- and lesion characteristic-specific diagnostic accuracy parameters were evaluated. Statistical analysis was performed using a dedicated software program, and P ≤.01 was considered significant. Results A total of 1118 US-CNB cases (1042 patients) were included. Of the 1118 cases, 630 (56.3%) were in the 14-gauge group, 136 (12.2%) in the 16-gauge, and 352 (31.5%) in the 18-gauge needle group. Surgery was performed on 800 lesions (71.6%). Of these, 619 were malignant, 77 were high risk, and 104 were benign. The remaining 318 lesions (28.4%) underwent follow-up imaging studies. All the lesions were stable and, therefore, were considered benign. No differences were observed in the diagnostic accuracy parameters among the 3 needle size groups (P >.01). The false-negative rate was greater for lesions < 10 mm (7.2%) (P <.01) but without statistically significant differences among the 3 gauges (P >.01). Conclusion US-CNB performed with small needles (16 and 18 gauge) had the same diagnostic accuracy as that performed with 14-gauge needles, regardless of the lesion characteristics.
Lingua originaleEnglish
pagine (da-a)536-543
Numero di pagine8
RivistaClinical Breast Cancer
Volume17
DOI
Stato di pubblicazionePubblicato - 2017

Keywords

  • Breast
  • Needles
  • Diagnosis
  • Ultrasound
  • Adolescent
  • Adult
  • Aged
  • Aged, 80 and over
  • Breast Neoplasms
  • Endoscopic Ultrasound-Guided Fine Needle Aspiration
  • Female
  • Follow-Up Studies
  • Humans
  • Male
  • Middle Aged
  • Prognosis
  • Retrospective Studies
  • Ultrasonography, Interventional
  • Ultrasonography, Mammary
  • Young Adult
  • Core needle biopsy

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