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KMID : 0361020150580070492
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Korean Journal of Otolaryngology - Head and Neck Surgery
2015 Volume.58 No. 7 p.492 ~ p.496
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Intravascular Papillary Endothelial Hyperplasia of the Nasopharynx: A Case Report and Review of the Literature
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Kim Su-Il
Byun Young-Seok
Dong Sung-Hwa
Lee Kun-Hee
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Abstract
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Intravascular papillary endothelial hyperplasia (IPEH) is a rare benign proliferation of intravascular endothelial cells. However, IPEH can be easily mistaken for an angiosarcoma, thus differential diagnosis is very important to avoid over-treatment. We report the case of a 22-year-old man who presented with small lobulating mass in nasopharynx. Computed tomography showed about 4 cm homogenous mass in the nasopharynx without extension into soft tissues. Complete surgical excision was done and biopsy during operation showed distended vessels and numerous papillae consist of endothelial cells lining a hyaline core. At follow up, no other complications were observed. Thus we present the case and a review of the literature.
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KEYWORD
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Intravascular papillary endothelial hyperplasia, Masson’s pseudoangiosarcoma, Nasopharynx
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