Summary
This study was designed to quantitatively investigate the ventilation of the middle ear and the paranasal sinuses by using Xe-133 gas. In all patients both maxillary sinuses could be visualized revealing consistent clearance data while only in 19 out of 30 patients tracer accumulation in the tympanum was observed with a large range of clearance half-life. These findings clearly represent the different physiological conditions of the ventilation of the maxillary sinuses and the tympanum. Ventilation studies with Xe-133, therefore, are useful for quantitative evaluation and may be easily obtained for maxillary sinuses, while uptake and clearance in the tympanum are hampered by the involved physiological mechanisms.
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© 1997 Springer Basel AG
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Brenner, W. et al. (1997). Ventilation Studies of the Middle Ear and the Paranasal Sinuses with Xenon-133. In: Bergmann, H., Kroiss, A., Sinzinger, H. (eds) Radioactive Isotopes in Clinical Medicine and Research. Advances in Pharmacological Sciences. Birkhäuser, Basel. https://doi.org/10.1007/978-3-0348-7772-5_84
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DOI: https://doi.org/10.1007/978-3-0348-7772-5_84
Publisher Name: Birkhäuser, Basel
Print ISBN: 978-3-0348-7774-9
Online ISBN: 978-3-0348-7772-5
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