Organized hematoma of the maxillary sinus mimicking tumor

The authors present two cases of organized hematoma of the maxillary sinus. Both patients showed no bleeding abnormalities. Clinical symptoms, signs a nd radiologic appearance of the mass mimicked tumor during the initial diag nosis of the disease. To our knowledge, this is the first article describin g organized hematoma in the maxillary sinus mimicking tumor without bleedin g history and disorders. A provisional diagnosis of organized hematoma shou ld be considered when a patient with history of epistaxis develops a slow-g rowing mass of the cheek and/or nasal obstruction. (C) 2001 Elsevier Scienc e Ireland Ltd. All rights reserved.