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  • Title: Sinonasal computed tomography in patients with Wegener's granulomatosis.
    Author: Lohrmann C, Uhl M, Warnatz K, Kotter E, Ghanem N, Langer M.
    Journal: J Comput Assist Tomogr; 2006; 30(1):122-5. PubMed ID: 16365586.
    Abstract:
    The goal of this study was to describe pathologies of sinonasal CT in patients with Wegener's granulomatosis. Between 1993 and 2004, sinonasal CT was performed in 28 patients (15 male, 13 female) with Wegener's granulomatosis. The following imaging findings were assessed on the CT scans: mucosal thickening, subtotal opacification, air-fluid level, bony destruction, sclerosing osteitis, bony thickening, orbital mass, and saddle nose deformity. Of the 28 patients, 61% showed mucosal thickening in the nasal cavity and 75% in the paranasal sinuses. A subtotal opacification of the paranasal sinuses was detected in 25%, and of the mastoid cells in 7% of patients. Fifty-seven percent of patients had bony destruction of the nasal cavity, and 54% of the paranasal sinuses. CT revealed sclerosing osteitis of the paranasal sinuses in 21%, and of the mastoid cells in 18% of patients. Bony thickening of the paranasal sinuses was detected in 18%, and of the mastoid cells in 14% of patients. With respect to all imaging findings, the maxillary sinuses were the most frequently affected paranasal sinuses. The authors conclude that the following sinonasal CT findings are observed in patients with Wegener's granulomatosis: (1) bony destruction, mainly of the nasal cavity, maxillary sinuses, and mastoid cells; (2) sclerosing osteitis, mainly of the maxillary sinuses and mastoid cells; (3) bony thickening, mainly of the maxillary sinuses and mastoid cells; and (4) mucosal thickening, mainly of the maxillary sinuses. These findings are, however, nonspecific and should be combined with other clinicopathologic and laboratory studies to confirm the diagnosis of Wegener's granulomatosis.
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