SciELO - Scientific Electronic Library Online

 
vol.34 número1Propiedades Antropométricas y Somatotipo de Jugadores de Baloncesto de Diferente Nivel CompetitivoCirugía de Suspensión del Colgajo Muscular Frontal en el Tratamiento de Blefaroptosis Basado en el Estudio Anatómico del Nervio del Músculo Occipitofrontal en el Tercio de la Ceja índice de autoresíndice de materiabúsqueda de artículos
Home Pagelista alfabética de revistas  

Servicios Personalizados

Revista

Articulo

Indicadores

Links relacionados

  • En proceso de indezaciónCitado por Google
  • No hay articulos similaresSimilares en SciELO
  • En proceso de indezaciónSimilares en Google

Compartir


International Journal of Morphology

versión On-line ISSN 0717-9502

Resumen

ACER, Niyazi et al. Characterization of Tympanic Cavity Volume in Newborns using Computerized Tomography Scanning. Int. J. Morphol. [online]. 2016, vol.34, n.1, pp.189-196. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022016000100027.

This study reports tympanic cavity (TC) volume in newborns, which was missing in the literature. Ex vivo histology and computerized tomography (CT) scans were performed on temporal bone and data were analyzed in part using software developed in house. CT images with a slice thickness of 0.5 mm were obtained from 5 newborn cadavers and analyzed independently by two expert researchers. The border of the TC was delineated manually and measurement of area of interest was calculated on masked images. Then, the area measurements from all sections were added to estimate the total volume. The agreements between the histological and CT findings were then compared for accuracy, repeatability and reliability. The Dice and Jaccard similarity coefficient measures were used as a statistical validation metric to evaluate the assessor's performance in manual volume segmentation. Good assessor agreement was observed with average Dice values above 0.8 indicating that consistent and reliable volume measurements were feasible. The proposed protocol was shown to be accurate in calculating the TC volume, and thus can be used for computer-assisted presurgical planning or for diagnosing structural alterations in TC.

Palabras clave : Computerized tomography; Tympanic cavity; Tympanic cavity volume; Similarity index.

        · resumen en Español     · texto en Inglés     · Inglés ( pdf )

 

Creative Commons License Todo el contenido de esta revista, excepto dónde está identificado, está bajo una Licencia Creative Commons