Fast-growing pseudoangiomatous stromal hyperplasia of the breast: report of a case

Kweon Yoo, Ok Hee Woo, Hwan Seok Yong, Aeree Kim, Woo Sang Ryu, Bum Hwan Koo, Eun-Young Kang
Surgery Today 2007, 37 (11): 967-70
Pseudoangiomatous stromal hyperplasia (PASH) is a rare type of benign mesenchymal proliferative disease of the breast. Histologically, it is composed of a proliferation of spindle cells with inter-anastomosing vascular-like arrangement in the interlobular or interductal stroma. Clinically, pseudoangiomatous stromal hyperplasia is usually found in premenopausal women as a discrete, painless mass, which is firm and movable. We report a case of pseudoangiomatous stromal hyperplasia of the breast, which mimicked a malignant mass in that it grew rapidly and ultrasonography showed a lobulating contoured heterogeneous echotexture.


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