12 cases reported associated with calcification or other mammographic abnormality (Shin)
May follow pregnancy by 3-24 years
Occasionally no history of pregnancy
Patient may be of any age
May be associated with drug therapy (Tavassoli)
Reported in males receiving estrogen for prostate carcinoma
Benign, no association with carcinoma
Mills SE, Fraire AE. Pregnancy-like change of the breast. An ultrastructural study. Diagn Gynecol Obstet. 1981 Fall;3(3):187-91.
Mills SE, Fechner RE. Focal pregnancy-like change of the breast. Diagn Gynecol Obstet. 1980 Spring;2(1):67-70.
Kiaer HW, Andersen JA. Focal pregnancy-like changes in the breast. Acta Pathol Microbiol Scand [A]. 1977 Nov;85(6):931-41.
Tavassoli FA, Yeh IT. Lactational and clear cell changes of the breast in nonlactating, nonpregnant women. Am J Clin Pathol. 1987 Jan;87(1):23-9.
Shin SJ, Rosen PP. Pregnancy-like (pseudolactational) hyperplasia: a primary diagnosis in mammographically detected lesions of the breast and its relationship to cystic hypersecretory hyperplasia. Am J Surg Pathol. 2000 Dec;24(12):1670-4.