L H Deiranieh

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We showed that tissue enhancement with microbubbles is dependent upon transmit power. Because intermittent imaging decreases bubble exposure to ultrasound, and also decreases the ability of the sonographer to maintain anatomic orientation, we aimed to determine the optimum frame rate that maximizes enhancement and allows for continued anatomic orientation.(More)
This study compares contrast-enhanced fundamental and second harmonic B-mode sonography using a rabbit renal infarct model. Segmental renal infarctions were produced in 13 rabbits by embolizing a 0.7 mm bead into the renal artery 1 day prior to imaging. An ultrasonographic unit equipped with an L10-5 transducer and second harmonic imaging capability was(More)
RATIONALE AND OBJECTIVES The authors evaluated the time-echogenicity response of liver, kidney, and implanted VX2 tumor after injection of a microbubble contrast medium and assessed use of an avascular lesion as an internal standard. MATERIALS AND METHODS Twenty-one New Zealand White rabbits were studied. To evaluate use of an internal standard and the(More)
RATIONALE AND OBJECTIVES The purpose of this study was to evaluate the accuracy of contrast material-enhanced sonography in the detection of liver lesions by using an animal model. MATERIALS AND METHODS A total of 36 rabbits, 12 normal and 24 with one, two, or more VX2 tumors implanted percutaneously, were imaged on an Acuson 128XP/10 with a 7-MHz sector(More)
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