Arch Otolaryngol
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To evaluate medical treatment for hemangiomas involving the parotid area with or without other areas of involvement. ⋯ The results in the 13 patients in this article demonstrate that hemangiomas in certain anatomic sites, such as the parotid area, may be more resistant to therapy with corticosteroids or interferon alfa-2a. Differences in drug metabolism, caliber of blood vessels, and/or blood flow in the parotid gland may account for this observation.