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Ann Surg Oncol. 2017 Nov;24(12):3541-3548. doi: 10.1245/s10434-017-6058-1. Epub 2017 Aug 17.

Adjunctive Breast-Specific Gamma Imaging for Detecting Cancer in Women with Calcifications at Mammography.

Author information

1
Department of Nuclear Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea.
2
Department of Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea.
3
Department of Radiology, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea.
4
Research Coordinating Center, Konkuk University Medical Center, Seoul, Korea.
5
Department of Nuclear Medicine, Seoul Medical Center, Seoul, Korea. cateunjeong@naver.com.

Abstract

BACKGROUND:

Mammography detects calcium deposits sensitively, but the specificity for differentiating malignancy from benign calcifications is low. Thus, we investigated whether adjunctive breast-specific gamma imaging (BSGI) has incremental value for detecting cancer in women with suspicious calcifications detected by mammography, and compared BSGI with adjunctive ultrasonography (US).

METHODS:

The medical records of women without a personal history of breast cancer who underwent mammography for breast evaluation from 2009 to 2014 were reviewed retrospectively. Patients who had calcifications detected by mammography, with a result of Breast Imaging Reporting and Data System (BI-RADS) categories 3-5, underwent adjunctive US and BSGI and were included in this study. A total of 302 breast lesions in 266 women (mean age ± standard deviation 49 ± 9 years) were selected for this study.

RESULTS:

For detecting breast cancer using mammography plus BSGI, the sensitivity, specificity, positive predictive value, negative predictive value, and area under the receiver operating curve with 95% confidence intervals were 94% (91-96), 90% (86-93), 91% (87-94), 94% (90-96), and 0.92 (0.89-0.95), respectively. For mammography plus US, the respective values were 97% (94-98), 51% (46-57), 68% (63-73), 94% (90-96), and 0.74 (0.70-0.78).

CONCLUSIONS:

Adjunctive BSGI had higher specificity than adjunctive US without loss of sensitivity. This finding suggests that adjunctive BSGI may be a useful complementary initial imaging method to improve the detection of breast cancer in women who have calcifications with suspicious morphology at mammography.

PMID:
28819909
DOI:
10.1245/s10434-017-6058-1
[Indexed for MEDLINE]

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