title: [Impedance measurements of the middle ear volume with tympanic membrane perforation].
abstract: The measurement principles of pneumatic spaces of the middle ear were presented in this paper. According to the literature the controversial opinions of other authors were analysed. On the base of two cases changes of the middle ear volume in pathological states were presented. The value of middle ear volume estimation preoperatively was emphasized.
authors.affiliation: II Katedry i Kliniki Laryngologii Sl. AM w Zabrzu.
authors.forename: G
authors.initials: G
authors.lastname: Namysłowski
authors.forename: P
authors.initials: P
authors.lastname: Kubik
authors.forename: K
authors.initials: K
authors.lastname: Mrówka-Kata
authors.forename: M
authors.initials: M
authors.lastname: Misiołek
mesh_terms: D000158:Acoustic Impedance Tests; D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D018058:Tympanic Membrane Perforation / Q000175:diagnosis* / Q000601:surgery