The clinical observation was made in 206 cases of breast mass lesion from March 1981 to January 1984 at Department of General Surgery, Incheon GIL Hospital. The results were as follows:
1) Among total 206 cases. 196 cases(95%) were observed in female and 10 cases(5%) were observed in male.
2) The most-frequent age groups of breat mass was 20-29 years group(48. I%), and 4th decade(26.2% ), 5th decade(10.2%) followed in order of frequency. In Case of male, most frequent age group was 5th decade(50%).
3) The duration of symptom of the majority cases(59%) was within 6 months.
4) The most common clinical manifestation was painless(72 % ), followed by painful mass (28%), nipple discharge(12%), nipple retraction(6.8%).
5) The most common group of size of breast mass was 2 to 5 cm in diameter(46.6%).
6) The most frequent site of breast mass at the was upper outer quadrant(48.5%), followed by upper inner quadrant periareolar region.
7) The most common breast disease was mammary dysplasia(45.6%), followed by fibroade-noma (18.9%), inflammatory disease(8.7%), breast carcinoma(8.3%).
8) The most common type of breast cancer was infiltrating ductal ca(59%), followed by invasive ductal ca., Paget disease.
9) The most frequent age distribution of benign tumor was at 3rd decade(55%),and. 60% of malignancy was at 4th & 5th decade.
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