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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Purpose : To differentiate fine hyperdense dots mimicking microcalcifications from true microcalcifications onmammography. Subjects and Methods : Mammograms showing hyperdense dots in ten patients (mean age, 59 years) wereevalvated. Two radiologists were asked to differentiate with the naked eye the hyperdense dots seen on tenmammograms and proven microcalcifications seen on ten mammograms. Densitometry was also performed for all lesionsand the contrast index was calculated. The shape and distribution of the hyperdense dots were evaluated andenquiries were made regarding any history of breast disease and corresponding treatment. Biopsies were performedfor two patients with hyperdense dots. Results : Two radiologists made correct diagnoses in 19/20 cases(95%). Thecontrast index was 0.10-0.88 (mean 0.58) for hyperdense dots and 0.02-0.45 (mean 0.17) for truemicrocalcifications. The hyperdense dots were finer and homogeneously rounder than the microcalcifications.Distribution of the hypendense dots was more superficial in subcutaneous fat (seven cases) and subareolar area(six cases). All ten patients with hyperdense dots had history of mastitis and abscesses and had been treated byopen drainage (six cases) and/or folk remedy (four cases). In eight patients, herb patches had been attached.Biopsies of hyperdense dots did not show any microcalcification or evidence of malignancy. Conclusion : Thesehyperdense dots were seen mainly in older patients. Their characteristic density, shape, distribution and clinicalhistory makes differential diagnosis from true microcalcifications easy and could reduce unnecessary diagnosticprocedures such as surgical biopsy.
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