Tissue harmonic imaging (THI) and contrast harmonic imaging (CHI) for sonographically guided vacuum-assisted biopsy of mammographically occult breast tumors

RöFo : Fortschritte auf dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
E M JungN Rupp

Abstract

To assess the guidance of tissue harmonic imaging (THI) and contrast harmonic imaging (CHI) for vacuum assisted biopsies of suspicious breast lesions compared to fundamental B-mode ultrasound-guided biopsies. In 550 patients, ultrasound examinations of the breast were performed prospectively using fundamental B-scan, THI, and CHI. Focal lesions were documented in comparable projections for all three ultrasound modes. As contrast agent, a dose of 0.5 milliliters of Perflutren Protein-Type A microspheres ( Optison) was injected. An ultrasound-guided biopsy was performed in 38 focal lesions. Three radiologists experienced in breast imaging retrospectively assessed the lesions on the ultrasound images. Thirty-eight suspicious focal lesions [size 4 - 15 mm; median 8 mm] were detected by ultrasound. Of these, 29 were detected by fundamental B-scan images, 34 by THI, and 38 by CHI. Ultrasound-guided biopsy was performed on all of these lesions. No complications related to the biopsy were observed. In 25/38 cases, invasive carcinomas were found; in 6/38 ductal carcinomas in situ; in 3 cases metastases of already known invasive ductal carcinomas; and in 4 cases fibroadenomas. The size of the lesion was best identified using THI, smaller...Continue Reading

Citations

Apr 17, 2008·European Radiology·G SchuellerT H Helbich
Nov 22, 2014·AJR. American Journal of Roentgenology·Romuald FerreBenoît Mesurolle
Mar 27, 2010·Clinical Radiology·E A M O'FlynnM J Michell

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