3D thoracoscopic ultrasound volume measurement validation in an ex vivo and in vivo porcine model of lung tumours. Export

@article{Hornblower07, abstract = {The purpose of this study was to validate the accuracy and reliability of volume measurements obtained using three-dimensional (3D) thoracoscopic ultrasound (US) imaging. Artificial "tumours" were created by injecting a liquid agar mixture into spherical moulds of known volume. Once solidified, the "tumours" were implanted into the lung tissue in both a porcine lung sample ex vivo and a surgical porcine model in vivo. 3D US images were created by mechanically rotating the thoracoscopic ultrasound probe about its long axis while the transducer was maintained in close contact with the tissue. Volume measurements were made by one observer using the ultrasound images and a manual-radial segmentation technique and these were compared with the known volumes of the agar. In vitro measurements had average accuracy and precision of 4.76\% and 1.77\%, respectively; in vivo measurements had average accuracy and precision of 8.18\% and 1.75\%, respectively. The 3D thoracoscopic ultrasound can be used to accurately and reproducibly measure "tumour" volumes both in vivo and ex vivo.}, author = {Hornblower, V. D. and Yu, E. and Fenster, A. and Battista, J. J. and Malthaner, R. A.}, citeulike-article-id = {4455551}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/17183130}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=17183130}, day = {7}, issn = {0031-9155}, journal = {Physics in medicine and biology}, keywords = {model, porcine, segmentation, tumor, ultrasound}, month = {January}, number = {1}, pages = {91--106}, posted-at = {2009-05-03 18:09:22}, priority = {2}, title = {3D thoracoscopic ultrasound volume measurement validation in an ex vivo and in vivo porcine model of lung tumours.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/17183130}, volume = {52}, year = {2007} }

TY - JOUR ID - Hornblower07 L3 - citeulike-article-id:4455551 N2 - The purpose of this study was to validate the accuracy and reliability of volume measurements obtained using three-dimensional (3D) thoracoscopic ultrasound (US) imaging. Artificial "tumours" were created by injecting a liquid agar mixture into spherical moulds of known volume. Once solidified, the "tumours" were implanted into the lung tissue in both a porcine lung sample ex vivo and a surgical porcine model in vivo. 3D US images were created by mechanically rotating the thoracoscopic ultrasound probe about its long axis while the transducer was maintained in close contact with the tissue. Volume measurements were made by one observer using the ultrasound images and a manual-radial segmentation technique and these were compared with the known volumes of the agar. In vitro measurements had average accuracy and precision of 4.76% and 1.77%, respectively; in vivo measurements had average accuracy and precision of 8.18% and 1.75%, respectively. The 3D thoracoscopic ultrasound can be used to accurately and reproducibly measure "tumour" volumes both in vivo and ex vivo. IS - 1 JF - Physics in medicine and biology SN - 0031-9155 EP - 106 TI - 3D thoracoscopic ultrasound volume measurement validation in an ex vivo and in vivo porcine model of lung tumours. VL - 52 SP - 91 KW - model KW - porcine KW - segmentation KW - tumor KW - ultrasound AU - Hornblower, VD AU - Yu, E AU - Fenster, A AU - Battista, JJ AU - Malthaner, RA PY - 2007/01/07/ UR - http://view.ncbi.nlm.nih.gov/pubmed/17183130 ER -