A clinical analysis was made in 477 cases of the breast lesions at the department of Surgery, Han Gang Sacred Heart Hospital, College of Medicine, Hallym University during 10 years from January, 1981 to December, 1990.
1) Of 477 diseases, 428 patients(93.5%) were female and 30 patients(6.5%) were male.
2) The patients in age from 2 to 83 years and the mean age was 37.4 years.
3) The most frequent age group in breast disease was twenties, 170 cases (35.6%).
4) The most common pathology in femal breast was fibroadenoma(29.7%), followed by mammary dysplasia(24.5%) and breast cancer(10.4%).
5) The most common duration from symptom onset to the first visit was within 6 months, 251 cases(70.0%).
The overal average duration of breast tumor from symptom onset to the treatment was 9.9 months, and the durations from symptom onset to the treatment of each breast tumor were as follows;
The fibroadenomas were common within 6 months(69.0%), and the average duration was 8.4 months, the mammary dysplasia within 6 months(71.7%), and the average duration was 10.4 months, the breast cancer within 6 months(69.4%), and the average
duration was
12.5 months.
6) The most prominent symptom was palpable mass in 420 cases, followed by pain in 89 cases, nipple discharge in 21 cases, and so on.
7) The Three main lesions of the breast were frequently observed in the right upper outer quadrant, 45.0% in fibroadenoma, 43.1% in breast cancer, and 40.4% in mammary dysplasia, respectively.
8) The bigger the size of mass was, the more the incidence of malignancy increased, that is, when the size of the mass was below 2 cm, only 6.6% of cases was malignant and when it was above 2 cm, 22.3% was malignant.
9) The accuracy of clinical diagnosis was 70.2%.
10) In carcinoma the axillary lymph node metastasis was positive in 43.5%; when the size of mass was below 2 cm the incidence of metastsis was 12.5% and when it was above 5 cm the incidence was 47.0%
11) Of 78 cases diagnosed as malignant clinically, 29.5% was benign and of 380 cases diagnosed as benign clinically, 7.8% was malignant.
12) The incidence according to the pathologic classification of breast cancer were as follows; invasive ductal carcinoma, 58.8%, noninvasive intraductal carcinoma, 12.9%, mucinous carcinoma, 9.4%, medullary carcinoma, 4.7%, invasive
lobular-carcinoma,
4.7%, noninvasive lobular carcinoma, 1.1%, respectively.
13) In the breast cancer, modified radical mastectomy was performed in 50 cases(57.8%), radical mastectomy, 10 cases(11.7%), excisional biopsy, 8 cases(9.4%).
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