MEASUREMENT OF NORMAL MIDDLE EAR CAVITY VOLUME IN MESATICEPHALIC DOGS

MEASUREMENT OF NORMAL MIDDLE EAR CAVITY VOLUME IN MESATICEPHALIC DOGS

Water‐filling and serial computed tomographic (CT) imaging techniques were used to measure normal middle ear cavity volume (MECV) in 18 dogs (10 live dogs, eight cadavers; 36 ears in total). The specific aims of this study were to (1) compare MECV measurements by water‐filling and CT techniques and...

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Veröffentlicht in:Veterinary radiology & ultrasound 2005-11, Vol.46 (6), p.490-493
Hauptverfasser: DEFALQUE, VINCENT E., ROSENSTEIN, DIANA S., ROSSER JR, EDMUND J.
Format: Artikel
Sprache:eng
Schlagworte:
Animals
canine
computed tomography
Dogs
Ear, Middle - anatomy & histology
Female
Male
mesaticephalic
middle ear cavity
Tomography, X-Ray Computed
volume
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Zusammenfassung:Water‐filling and serial computed tomographic (CT) imaging techniques were used to measure normal middle ear cavity volume (MECV) in 18 dogs (10 live dogs, eight cadavers; 36 ears in total). The specific aims of this study were to (1) compare MECV measurements by water‐filling and CT techniques and (2) define a model of MECV vs. body weight (BW) from CT values. There was a significant difference between the two techniques (P=0.02). The volume obtained by water filling was consistently greater than that obtained by computed tomography. MECV (expressed in ml) increased with BW (expressed in kg) according to the following formula: MECV=−0.612+0.757 (ln BW) (P
ISSN:1058-8183
1740-8261
DOI:10.1111/j.1740-8261.2005.00089.x