Abstract:
CONCLUSION:Cone Beam Computed Tomography (CBCT) can be widely used in imaging of bony structures of the anterior and lateral skull base. Significant differences of applied dosages result from the different protocols of the various indications. OBJECTIVES:CBCT is increasingly being used in head and neck imaging. Until now, no precise knowledge about its dedicated usage existed. METHODS:All CBCT of 2012 and 2013 were analysed with regard to the technical parameters, the performance, and the indication for imaging. RESULTS:In total, 1862 patients were examined in 2012 and 2013. The top eight indications of the anterior skull were (1) chronic rhinosinusitis with disturbed nasal breathing (30.3%); (2) chronic rhinosinusitis (17.6%); (3) midfacial traumatology (13.7%); (4) disturbed nasal breathing (12.8%); (5) acute rhinosinusitis (7.9%); (6) polyposis nasi (6.3%); (7) search for focus (3.9%); and (8) persistent rhinorrhea (1.2%). For the lateral skull base, the top eight were (1) control after cochlear implantation (28.4%); (2) cholesteatoma (19.7%); (3) visualization of ear anatomy (8.7%); (4) chronic otitis media mesotympanalis (6.3%); (5) conductive hearing loss (5.1%); (6) suspected mastoiditis (4.8%); (7) pathology of external auditory canal (4.8%); and (8) otosclerosis (3.3%). Applied dosage for the anterior skull base was significantly lower than for the lateral skull base (2.90 mGy vs 5.92 mGy, p < 0.05); 2.4% and 3.6% of patients' images, respectively, had to be repeated.
journal_name
Acta Otolaryngoljournal_title
Acta oto-laryngologicaauthors
Stutzki M,Jahns E,Mandapathil MM,Diogo I,Werner JA,Güldner Cdoi
10.3109/00016489.2015.1076172subject
Has Abstractpub_date
2015-01-01 00:00:00pages
1337-43issue
12eissn
0001-6489issn
1651-2251journal_volume
135pub_type
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