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J Breast Health. 2015 Jan 1;11(1):39-41. doi: 10.5152/tjbh.2014.1977. eCollection 2015 Jan.

Pseudoangiomatous Stromal Hyperplasia of The Breast Presenting As A Giant Breast Tumor: A Case Report.

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Department of General Surgery, İnönü University Faculty of Medicine, Malatya, Turkey.
Department of Pathology, İnönü University Faculty of Medicine, Malatya, Turkey.


Pseudoangiomatous stromal hyperplasia (PASH) of the breast is a benign proliferative lesion of mammary stroma. It is identified as stromal cleavage surrounded by spindle-shaped stromal cells histomorphologicaly. Generally, it is determined in premenopausal women incidentally during breast biopsy. Clinically, it is rarely emerges as a palpable mass. PASH may be confused with low-grade angiosarcoma, hamartomas and phyllodes tumors in histopathological examination. Here, we report a giant left breast lesion that caused breast asymmetry and pain, and treated by total excision of the mass. The patient was a 39 years old women. Histopathologic examination of the specimen was evaluated as PASH. No additional medical treatment and clinical follow-up was recommended to patient. Within four months of the patient fallow-up, no problem occured.


Pseudoangiomatous stromal hyperplasia; benign neoplasms; breast; breast diseases

Conflict of interest statement

Conflict of Interest: No conflict of interest was declared by the authors.

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