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KMID : 0377519950200020139
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Chung-Ang Journal of Medicine
1995 Volume.20 No. 2 p.139 ~ p.146
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A Retrospective Analysis of Needle Localization and Biopsy of Non-palpable Lesions in the Breast
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Abstract
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The more frequent use of screening mammography, along with improved imaging equipment and technique, is today resulting in an increasing detection rate for suspicious non palpable lesion and thus and an increasing need for needle localizations
and
biopsies.
From August 1992 to December 1994, 56 needle hookwire guided biopsies were performed at our institution for non palpable mammographically detected abnormalities.
Patients ranged in age from 27 to 71years(a mean of 45.8 years)
Of the total, 8(14.3%) were found to be malignant.
Fithy percent of malignant lesions were carcinoma in situ and 50 percent were invasive carcinoma.
The chance of a biopsy containing a malignant lesion was 16.7 percent if the biopsy was done because of a microcalcification on mammography, 6.3 percent for mass densities and 25 percent if both were present.
Benign pathological lesions were proved in 48 cases (85.7%). The most common benign lesion was fibrocystic disease.
Specimen roentgenography was done in all cases.
Minor complication of needle hookwire insertion occured in one patient who had a hematoma requiring evacuation.
Two patients experienced faintness, dizziness and syncope during needle localization.
The morbidity and mortality rates for biopsy of the breast were nill.
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