Your browser doesn't support javascript.
loading
Automated detection and measurement of uterine peristalsis in cine MR images.
Watanabe, Koichi; Kataoka, Masako; Yano, Kojiro; Nishio, Shuro; Umehana, Masaki; Kido, Aki; Togashi, Kaori.
Afiliación
  • Watanabe K; Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
  • Kataoka M; Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
  • Yano K; Faculty of Information Science and Technology, Osaka Institute of Technology, Osaka, Japan.
  • Nishio S; Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
  • Umehana M; Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
  • Kido A; Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
  • Togashi K; Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
J Magn Reson Imaging ; 42(3): 644-50, 2015 Sep.
Article en En | MEDLINE | ID: mdl-25448125
PURPOSE: To evaluate the ability of automated software to quantify uterine peristalsis on cine magnetic resonance imaging (MRI). MATERIALS AND METHODS: At 1.5T, half-Fourier acquisition single-shot turbo spin echo (HASTE) techniques were used to obtain 60 serial images over 3 minutes (TR/TE 3000/80 msec) in a midsagittal plane of the uterus. Thirty-two cine MR datasets, obtained from 16 healthy females, were analyzed. Uterine peristalsis was defined as the traveling waves of decreasing signal intensity on the endometrium-junctional zone border. The software detected traveling waves by identifying the neighboring areas showing similar patterns of signal intensity decrease in a different timing. Quantification of uterine peristaltic wave using the fully automated software was compared to qualitative visual evaluation by two readers. RESULTS: The mean number (and standard deviation) of peristaltic waves detected by the fully automated software and visual evaluations (readers 1 and 2) were 5.4 (3.0), 4.7 (3.1), and 4.5 (3.1) per 3 minutes, respectively. Quantification by fully automated software demonstrated excellent agreement with repeated measurement (weighted kappa 0.99) and with qualitative visual evaluations (range 0.89-0.95), comparable to interreader agreement by visual evaluations (range 0.89-0.93). CONCLUSION: The fully automated software can be used to quantify uterine peristalsis comparable to visual evaluation.
Asunto(s)
Palabras clave
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Peristaltismo / Útero / Reconocimiento de Normas Patrones Automatizadas / Imagen por Resonancia Cinemagnética Tipo de estudio: Diagnostic_studies / Prognostic_studies / Qualitative_research / Risk_factors_studies Límite: Adult / Female / Humans Idioma: En Revista: J Magn Reson Imaging Asunto de la revista: DIAGNOSTICO POR IMAGEM Año: 2015 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Peristaltismo / Útero / Reconocimiento de Normas Patrones Automatizadas / Imagen por Resonancia Cinemagnética Tipo de estudio: Diagnostic_studies / Prognostic_studies / Qualitative_research / Risk_factors_studies Límite: Adult / Female / Humans Idioma: En Revista: J Magn Reson Imaging Asunto de la revista: DIAGNOSTICO POR IMAGEM Año: 2015 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos