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Intravascular Papillary Endothelial Hyperplasia in the Maxillary SinusA Benign Lesion That May Be Mistaken for Angiosarcoma
Yoram Stern, MD;
Diana Braslavsky, MD;
Karl Segal, MD;
Thomas Shpitzer, MD;
Aristide Abraham, MD
Arch Otolaryngol Head Neck Surg. 1991;117(10):1182-1184.
Abstract
• Intravascular papillary endothelial hyperplasia is a vascular benign lesion bearing some similarities to malignant angiosarcoma. To the best of our knowledge, it has never been described within the paranasal sinuses. A case of such a lesion within the maxillary sinus appearing in a 17-year-old boy who presented with unilateral facial pains and proptosis is reported. The lesion, despite its benign nature, extended to the ethmoidal cells and nasal cavity and pressed the floor of the orbit. Clinically and histopathologically it may be mistaken for an angiosarcoma. An awareness of this similarity and the features in which it differs from angiosarcoma will prevent incorrect diagnosis and inappropriate treatment.
(Arch Otolaryngol Head Neck Surg. 1991;117:1182-1184)
Author Affiliations
From the Department of Otolaryngology Head and Neck Surgery (Drs Stern, Segal, Shpitzer, and Abraham) and Pathology (Dr Braslavsky), Beilinson Medical Center, Petah Tiqva, and the Sackler School of Medicine, Tel Aviv University, Israel.
Footnotes
Accepted for publication October 15, 1990.
Reprint requests to Department of Otolaryngology, Beilinson Medical Center, Petah Tiqva 49100, Israel (Dr Stern).
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