Jul 14, · Pseudoangiomatous stromal hyperplasia (PASH) is a type of non-cancerous breast lesion. It typically affects women in the reproductive age group. Occasional cases have been described in men, postmenopausal women, adolescents, and children. The size of the lesion varies, but small microscopic PASH is much more common than larger (tumorous) masses. Dec 20, · The tumor can be associated with benign fibrocystic disease of breast; The definitive risk factors for PASH of Breast are not well-understood. However, the following risk factors increase one’s chances of getting breast tumors, and these include: Gender: Women have a higher risk for developing the condition than men.
Pseudoangiomatous stromal hyperplasia (PASH) is frequently a microscopic incidental finding in breast biopsies performed for benign or malignant disease. However, it may also produce a mass lesion. We reviewed PASH seen first as a tumor in 40 women aged 14 to 67 years (mean, 37 years). All but one l Cited by: Pseudoangiomatous stromal hyperplasia (PASH) is a benign disease of the breast characterized by a complex network of slitlike spaces lined by slender spindle cells within a background of stromal hyperplasia  (Figs. 1C and 1D).The etiologic factors of PASH are unknown, but most investigators think that it represents a proliferative response of myofibroblasts, probably to Cited by:
May 07, · PASH of the breast usually presents in females within the ‘childbearing’ age group but has been noted in children as young as 12, and in women in their early 70s. Pseudoangiomatous stromal hyperplasia is a ‘ mesenchymal ‘ lesion (one that forms from genetically immature muscle and connective tissue cells).