Galactoceles mimicking suspicious solid masses on sonography

Min Jung Kim, Eun Kyung Kim, Sun Young Park, Hae Kyoung Jung, Ki Keun Oh, Jae Yeon Seok

Research output: Contribution to journalReview article

11 Citations (Scopus)

Abstract

Objective. The purpose of this study was to evaluate the sonographic appearance of a galactocele that can sonographically mimic a suspicious solid mass and to differentiate between a galactocele and a solid mass. Methods. From September 2002 to February 2004, 33 galactoceles classified as Breast Imaging Reporting and Data System category 4 were included. They were all confirmed by sonographically guided core biopsies. Their sonographic imaging and clinical findings were reviewed retrospectively. Results. The lesions had a round or irregular shape in 26 patients (78.8%), a noncircumscribed margin in 31 (93.9%), a nonparallel orientation in 22 (66%), and posterior shadowing in 13 (39.4%). Twenty-five nodules (75.8%) had internal hypoechogenicity or mixed echogenicity. Twenty-nine (87.9%) of 33 lesions showed a relatively sharp convex echogenic rim on the anterior or posterior wall. Conclusions. Galactoceles have various sonographic findings, many of which are similar to those of suspicious solid breast masses. However, there is a tendency for a galactocele to appear as a small, round hypoechoic nodule with an indistinct or microlobulated margin and mild posterior shadowing. It is helpful to search for a partial anterior or posterior echogenic rim to identify a galactocele.

Original languageEnglish
Pages (from-to)145-151
Number of pages7
JournalJournal of Ultrasound in Medicine
Volume25
Issue number2
DOIs
Publication statusPublished - 2006 Feb

All Science Journal Classification (ASJC) codes

  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging

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