Intravascular Papillary Endothelial Hyperplasia of the oral cavity – uncommon or undiagnosed?

Background: Oral Intravascular Papillary Endothelial Hyperplasia (IPEH) also known as Masson's pseudoangiosarcoma or vegetant intravascular haemangioendothelioma is a benign, non-neoplastic disorder of vascular origin caused by abnormal proliferation of endothelial cells. It commonly presents as a cutaneous lesion, however, only a few cases of oral manifestations have been reported to date.

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