Mammographic and Sonographic Features of Triple-Negative Invasive Carcinoma of No Special Type

Hyun Kyung Jung, Kyunghwa Han, Yeo Jin Lee, Hee Jung Moon, Eun Kyung Kim, Min Jung Kim

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


The aim of this study was to compare the mammography, ultrasound (US) and histologic features of triple-negative (TN) invasive carcinoma of no special type (NST) to non-TN invasive carcinoma of NST. The second aim was to assess whether the distinct imaging characteristics of TN breast cancer would persist after controlling for the histologic features. A total of 344 invasive carcinomas of NST in 337 patients from January 2007 to February 2008 were included in this study. Two radiologists retrospectively reviewed the mammography and US findings using the American College of Radiology Breast Imaging Reporting and Data System (BI-RADS) lexicon and our institution's criteria. On mammography, TN invasive carcinoma of NST most commonly presented as a mass with round shape and non-spiculated margin. On US, it was more likely to have internal hypoechogenicity, an abrupt boundary and posterior acoustic enhancement. TNBC lacked major suspicious imaging findings such as an irregular shape, spiculated margin and calcification.

Original languageEnglish
Pages (from-to)375-383
Number of pages9
JournalUltrasound in Medicine and Biology
Issue number2
Publication statusPublished - 2015

Bibliographical note

Funding Information:
This work was supported by the 2013 Inje University research grant.

Publisher Copyright:
© 2015 World Federation for Ultrasound in Medicine & Biology.

All Science Journal Classification (ASJC) codes

  • Radiological and Ultrasound Technology
  • Biophysics
  • Acoustics and Ultrasonics


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