Microcalcifications of non-palpable breast lesions detected by ultrasonography

Correlation with mammography and histopathology

C. S. Huang, C. Y. Wu, J. S. Chu, J. H. Lin, S. M. Hsu, K. J. Chang

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Objectives. Microcalcifications are generally not demonstrated well on ultrasonography. In this study, we attempted to demonstrate the usefulness of high-resolution ultrasonography in the detection of microcalcifications associated with non-palpable breast cancers. Design. Fourteen patients with non-palpable breast lesions in whom microcalcifications were detected or suspected by ultrasonography and one patient in whom microcalcifications were detected on mammography only were included in the study. Mammography and analysis of biopsy specimens were performed in each patient and the findings were correlated with the ultrasonographic findings. Ultrasonography and mammography were performed independently by different physicians at different times. Results. In three patients ≤ 30 years of age, who were not at high risk of breast cancer and who had no evidence of cancer on palpation, high-resolution ultrasonography clearly showed microcalcifications but no mass. Two of these patients had ductal carcinoma in situ and one had small invasive carcinoma with extensive comedocarcinoma. Among the other 12 patients with non-palpable breast lesions, ultrasonography detected microcalcifications accurately in six and suggested possible microcalcifications in a further four. Microcalcifications in all of these ten patients were confirmed by mammography thereafter. Four of these ten patients had ductal carcinoma in situ, with or without invasive carcinoma. Of the remaining two patients, one demonstrated false-positive findings and one false-negative findings on ultrasound. On high-resolution ultrasonography, microcalcifications produced the appearance of twinkling stars (bright dots in different planes) in a dark sky (contrasted against ill-defined hypoechoic patches), correspondng on histopathology to groups of expanded ducts with inceased cell density with or without necrosis. Conclusion. High-resolution ultrasonography may be used for detection of microcalcifications in non-palpable breast lesions. Ultrasonography is helpful in screeeing for early breast cancers, especially in young patients who are at risk for breast cancer and in whom mammography is not usually carried out.

Original languageEnglish
Pages (from-to)431-436
Number of pages6
JournalUltrasound in Obstetrics and Gynecology
Volume13
Issue number6
Publication statusPublished - 1999
Externally publishedYes

Fingerprint

Calcinosis
Mammography
breast
lesions
Ultrasonography
Breast
cancer
Breast Neoplasms
Carcinoma, Intraductal, Noninfiltrating
high resolution
Mammary Ultrasonography
Carcinoma
physicians
necrosis
Palpation
ducts
sky
Necrosis
Cell Count
Physicians

Keywords

  • Breast cancer
  • Histopathology
  • Mammography
  • Microcalcifications
  • Non-palpable breast lesions
  • Ultrasonography

ASJC Scopus subject areas

  • Obstetrics and Gynaecology
  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology
  • Reproductive Medicine
  • Acoustics and Ultrasonics

Cite this

Microcalcifications of non-palpable breast lesions detected by ultrasonography : Correlation with mammography and histopathology. / Huang, C. S.; Wu, C. Y.; Chu, J. S.; Lin, J. H.; Hsu, S. M.; Chang, K. J.

In: Ultrasound in Obstetrics and Gynecology, Vol. 13, No. 6, 1999, p. 431-436.

Research output: Contribution to journalArticle

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AB - Objectives. Microcalcifications are generally not demonstrated well on ultrasonography. In this study, we attempted to demonstrate the usefulness of high-resolution ultrasonography in the detection of microcalcifications associated with non-palpable breast cancers. Design. Fourteen patients with non-palpable breast lesions in whom microcalcifications were detected or suspected by ultrasonography and one patient in whom microcalcifications were detected on mammography only were included in the study. Mammography and analysis of biopsy specimens were performed in each patient and the findings were correlated with the ultrasonographic findings. Ultrasonography and mammography were performed independently by different physicians at different times. Results. In three patients ≤ 30 years of age, who were not at high risk of breast cancer and who had no evidence of cancer on palpation, high-resolution ultrasonography clearly showed microcalcifications but no mass. Two of these patients had ductal carcinoma in situ and one had small invasive carcinoma with extensive comedocarcinoma. Among the other 12 patients with non-palpable breast lesions, ultrasonography detected microcalcifications accurately in six and suggested possible microcalcifications in a further four. Microcalcifications in all of these ten patients were confirmed by mammography thereafter. Four of these ten patients had ductal carcinoma in situ, with or without invasive carcinoma. Of the remaining two patients, one demonstrated false-positive findings and one false-negative findings on ultrasound. On high-resolution ultrasonography, microcalcifications produced the appearance of twinkling stars (bright dots in different planes) in a dark sky (contrasted against ill-defined hypoechoic patches), correspondng on histopathology to groups of expanded ducts with inceased cell density with or without necrosis. Conclusion. High-resolution ultrasonography may be used for detection of microcalcifications in non-palpable breast lesions. Ultrasonography is helpful in screeeing for early breast cancers, especially in young patients who are at risk for breast cancer and in whom mammography is not usually carried out.

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