Ultrasonic elasticity imaging as a tool for breast cancer diagnosis and research

Claire Pellot-Barakat, Mallika Sridhar, Karen K Lindfors, Michael F. Insana

Research output: Contribution to journalArticle

26 Scopus citations

Abstract

Ultrasonic elasticity imaging is a promising new tool for breast cancer diagnosis and management. Ultrasound is applied to sense small local tissue deformations noninvasively to image stiffness and thus exploit the large intrinsic stiffness contrast generated during the progression of many diseases in vivo. This paper briefly reviews several related approaches to breast elasticity imaging to explain some of the observed variability irt breast imaging results. Preliminary clinical results from a population of 13 patients with small and nonpalpable breast lesions obtained with a low noise elasticity imaging algorithm developed in our group are then reported. All the benign lesions exhibited normal elasticity ranges. About half of the malignant lesions were undetected with elasticity imaging most likely because of their small size (<7mm) or softening from the addition of fatty-replaced tissue. Other malignant lesions were clearly identified as areas with extreme elasticity values compared to their surroundings. We observed that some malignant lesions did not exhibit any desmoplasic stiffening while others showed an uncommon softening. It is clear that by broadening the study population to include small and nonpalpable lesions, we see much variability in elasticity image findings.

Original languageEnglish (US)
Pages (from-to)157-164
Number of pages8
JournalCurrent Medical Imaging Reviews
Volume2
Issue number1
DOIs
StatePublished - Feb 2006

Keywords

  • Desmoplasia
  • Palpation
  • Strain imaging
  • Tumor metabolism
  • Ultrasound

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

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