Karol Zeleník1,2, Pavla Hanzlíková3, Barbora Blatová4,5, Martin Formánek4,5, Pavel Komínek4,5. 1. Department of Otorhinolaryngology and Head and Neck Surgery, University Hospital Ostrava, 17. listopadu 1790, 708 00, Ostrava, Czech Republic. karol.zelenik@fno.cz. 2. Department of Craniofacial Surgery, Faculty of Medicine, University of Ostrava, Syllabova 19, 703 00, Ostrava, Czech Republic. karol.zelenik@fno.cz. 3. Department of Imaging Methods, Faculty of Medicine, University of Ostrava, Syllabova 19, 703 00, Ostrava, Czech Republic. 4. Department of Otorhinolaryngology and Head and Neck Surgery, University Hospital Ostrava, 17. listopadu 1790, 708 00, Ostrava, Czech Republic. 5. Department of Craniofacial Surgery, Faculty of Medicine, University of Ostrava, Syllabova 19, 703 00, Ostrava, Czech Republic.
Abstract
PURPOSE: Temporal bone meningioma is an extremely rare disease. Lack of clinical attention due to its rarity might lead to delayed diagnosis. This short communication aims to emphasize radiologic signs of temporal bone meningiomas to improve preoperative diagnosis. METHODS: Radiological characteristics of temporal bone meningiomas are discussed. RESULTS: Temporal bone meningioma is characterized by diffuse "hairy" trabecular hyperostosis without the destruction of trabecular structures, bone thickening, and irregular surface margins of the temporal bone on computed tomography. The dural tail sign is a unique feature of temporal bone meningioma on magnetic resonance imaging. CONCLUSION: Otolaryngologists certainly should be aware of characteristic radiologic signs of temporal bone meningiomas. Using modern computed tomography and magnetic resonance imaging protocols enables with a high degree of accuracy to distinguish temporal bone meningiomas from other more common entities in this location.
PURPOSE: Temporal bone meningioma is an extremely rare disease. Lack of clinical attention due to its rarity might lead to delayed diagnosis. This short communication aims to emphasize radiologic signs of temporal bone meningiomas to improve preoperative diagnosis. METHODS: Radiological characteristics of temporal bone meningiomas are discussed. RESULTS: Temporal bone meningioma is characterized by diffuse "hairy" trabecular hyperostosis without the destruction of trabecular structures, bone thickening, and irregular surface margins of the temporal bone on computed tomography. The dural tail sign is a unique feature of temporal bone meningioma on magnetic resonance imaging. CONCLUSION: Otolaryngologists certainly should be aware of characteristic radiologic signs of temporal bone meningiomas. Using modern computed tomography and magnetic resonance imaging protocols enables with a high degree of accuracy to distinguish temporal bone meningiomas from other more common entities in this location.
Entities:
Keywords:
Computed tomography; Diagnosis; Dural tail sign; Magnetic resonance imaging; Temporal bone meningioma; Trabecular hyperostosis
Authors: B E Hamilton; K L Salzman; N Patel; R H Wiggins; A J Macdonald; C Shelton; R C Wallace; J Cure; H R Harnsberger Journal: AJNR Am J Neuroradiol Date: 2006 Nov-Dec Impact factor: 3.825