Sonographic findings of breast hamartoma

Emphasis on compressibility

Se Young Park, Ki Keun Oh, Eunkyung Kim, Eun Ju Son, Woo Hee Chung

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The characteristic features of hamartoma in terms of discrepancies in mammographic and sonographic shapes of the mass were evaluated. We reviewed 16 pathologically proven breast hamartomas, which had undergone preoperative mammography and ultrasonography. All masses were analyzed according to ACR-BIRADS on mammography. On sonography, each mass was analyzed for size, shape, margin, internal echogenicity, and posterior acoustic enhancement. We also analyzed the echogenicity of halo, and compared the characteristic changes in the shape of hamartomas attributable to compression in mammograms and sonograms. The most common sites were at 12 o'clock in the right breast and 2 o'clock in the left. The most common mammographic findings of the hamartomas were a round shape (11/16), a circumscribed margin (13/16), internal fat densities (D4)(16/16) and radiolucent halos (14/16). The most common sonographic findings of the hamartomas were an oval shape (16/16), circumscribed margins (10/16), heterogeneous internal echogenicity (14/16), echogenic (7/16) or echolucent halos (5/16), and posterior enhancements (12/16). The characteristic feature of hamartomas was a change of the mammographic round shape mass into an elongated oval shape mass by sonography (11/11), suggesting the compressibility of hamartomas. Three of the hamartomas contained a pathologically proven internal calcification. The presence of a hamartoma was suggested by a change in a mammographic round mass with a radiolucent halo into an oval heterogeneous mass surrounded by an echogenic or echolucent halo on the sonogram. This characteristic difference between the mammographic and sonographic findings was attributed to the hamartoma compressibility, and was associated with the over-proliferation of fat containing mature normal breast tissue.

Original languageEnglish
Pages (from-to)847-854
Number of pages8
JournalYonsei Medical Journal
Volume44
Issue number5
DOIs
Publication statusPublished - 2003 Oct 30

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Hamartoma
Breast
Ultrasonography
Mammography
Fats
Acoustics

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

Park, Se Young ; Oh, Ki Keun ; Kim, Eunkyung ; Son, Eun Ju ; Chung, Woo Hee. / Sonographic findings of breast hamartoma : Emphasis on compressibility. In: Yonsei Medical Journal. 2003 ; Vol. 44, No. 5. pp. 847-854.
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Sonographic findings of breast hamartoma : Emphasis on compressibility. / Park, Se Young; Oh, Ki Keun; Kim, Eunkyung; Son, Eun Ju; Chung, Woo Hee.

In: Yonsei Medical Journal, Vol. 44, No. 5, 30.10.2003, p. 847-854.

Research output: Contribution to journalArticle

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