MediAI

  Pseudoangiomatous Stromal Hyperplasia (PASH) Presenting as a Palpable Mass: A Clinical Insight Keywords : pseudoangiomatous stromal hyperplasia, PASH, benign breast tumor, palpable mass, breast ultrasound, core biopsy, surgical excision, stromal lesion, breast neoplasm, differential diagnosis Introduction Pseudoangiomatous Stromal Hyperplasia (PASH) is a rare, benign proliferative breast condition characterized by dense stromal proliferation forming complex slit-like spaces resembling vascular channels. Although typically an incidental histopathological finding, it may occasionally manifest as a rapidly enlarging palpable mass that mimics malignant neoplasms clinically and radiologically. This blog post provides an in-depth review of a clinically significant case of PASH, informed by the case report published in Frontiers in Surgery , offering key imaging findings, histologic characteristics, and clinical management considerations. Case Overview A 41-year-old woman present...