Chronic cystic masthopathya: twenty-five years experience.

The pathology and clinical aspect of chronic cystic mastopathy are discussed on the basis of experience gained in 338 cases. The condition was unilateral in 88.7% and bilateral in 11.3% of the cases. More than 50% of the patients belonged into the 40 to 49 years age group. In 5.3% transformation into cancer was observed. In 25.6% of the cancer cases the matopathic change was also detected. Fifty-nine patients had to be operated twice, 26 three or more times. The operation consisted of excision; in two cases mastectomy had to be performed. Of the patients, 95% were followed up; 21% continued to complain of slight pain in the breast.