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Paul Sabini, MD; Gary D. Josephson, MD; Richard T. Yung, MD; Jay N. Dolitsky, MD

Arch Otolaryngol Head Neck Surg. 1998;124:202-204.

Hemangiopericytoma is a rare tumor that is thought to originate from the vascular pericytes of Zimmerman. Although they represent less than 1% of all vascular neoplasms, 15% to 30% of these tumors are found in the head and neck. The benign or malignant nature of a hemangiopericytoma is determined clinically, not histologically, indicating the need for close and careful follow-up. We describe a congenital midline nasal mass in a 2-year-old boy that proved to be a hemangiopericytoma. Clinical photographs, a magnetic resonance imaging scan, and histologic photographs depict the findings. The evaluation and differential diagnosis of midline nasal masses are discussed.

From the Department of Otolaryngology–Head and Neck Surgery, The New York Eye and Ear Infirmary, New York, NY.