Clinical Application and Usefulness of XI VOCAL in Volume Measurement

INTRODUCTION & OBJECTIVE
The volume measurement of the fetal organ has been
evolved with 3D ultrasound technology. The conventional
method for volume measurement (VOCAL) is processed by
computerizing volume data automatically from sectional
diagram which is turned on a pivot. This method (VOCAL)
is powerful to measure the volume of organs, especially
when its shape is symmetry or globular. In spite of
tremendous benefits of conventional measuring method
(VOCAL), it has sometimes provided with fallible volume
data in case of irregular or asymmetric lesion.
In addition, the VOCAL is required the sophisticated
operation skills to users.
Unlike the VOCAL, the XI VOCALTM (eXtended Imaging
VOCAL) virtualizes actual organs with accuracy by analyzing
the volume of the organs which is drawn out from sliced
sectional diagram.
The purposes of this work is not only to compare the
VOCAL with XI VOCAL in the measurement of the volume,
especially in the irregular shaped organ, but also to assess
operator’s dependency.

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