Why the study?
Intravascular papillary endothelial hyperplasia is a rare benign vascular tumor that shares microscopic similarity with angiosarcoma, making differential diagnosis important.
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Masson's tumor is a rare benign vascular tumor that can present as a neck mass and requires careful microscopic differentiation from angiosarcoma.
Masson’s tumor, also known as intravascular papillary endothelial hyperplasia (IPEH), is a rare, benign vascular tumor characterized by the proliferation of endothelial cells with papillary formations. Differential diagnosis between IPEH and angiosarcoma is important because both have microscopic similarity. Herein, we report a rare case of IPEH on the right lateral neck of a 50-year-old female presenting with a neck mass, which was completely removed without complication.
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Lee et al. (2020) studied this question.
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