The value of 3D ultrasonography in infertility management
نویسنده
چکیده
Conventional sonography provides twodimensional (2D) views of three-dimensional (3D) structures that an experienced ultrasonographer has to dynamically examine in order to create their own 3D impression of the object of interest. In contrast, 3D sonography allows the simultaneous assessment of individual sectional planes, which dependent upon the particular field of interest may be examined in one of several different viewing modalities to maximize the information available and improve spatial awareness (1). Uniquely, 3D sonography allows demonstration of the coronal plane perpendicular to the transducer face facilitating the identification of surface irregularities which can then be accounted for during volume measurement. The digital technology central to its development also means that 3D imaging lends itself to telemedicine, as it allows the storage of large datasets without loss of information that may be subsequently analysed offline and reappraised by experts in a 'virtual realtime consultation' (2). 2D color Doppler sonography provides a subjective estimation of uterine and ovarian vascularity. It is limited, however, by providing flow depiction in a single plane as opposed to the sample volume as obtained by 3D imaging. 3D sonography suggests that these features offer the user the following advantages in comparison to 2D sonography: * accurate measurement of organ dimensions and volumes * improved anatomic and blood flow information * enhanced assessment of complex anatomic anomalies * a better specificity in regard to the confirmation of normality * standardization of the sonographic examination procedure * reduced scanning times with increased costeffectiveness * telemedicine and tertiary consultation
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