Exact(24)
Historically, the development of progressively faster Computed Tomography (CT) technology has dictated a recurrent need to re-examine intravenous contrast agent enhancement regimens.
It is natural that the question of a possible need to modify contrast agent enhancement protocols designed for an earlier generation of slower machines should again be considered.
Although computed tomography angiography has been widely used for preoperative imaging, concerns over excessive exposure to ionising radiation and poor iodinated contrast agent enhancement of the intramuscular perforator course has made magnetic resonance angiography, the first choice imaging modality in our centre.
MRI images were evaluated for contrast agent enhancement of the tumor.
b CEUS and (c) the corresponding MDCT demonstrates contrast agent enhancement of the intestinal wall.
We choose the thickest bowel segment or segments to perform the quantitative analysis of the contrast agent enhancement.
Similar(36)
These are the improvement of weed-specific biocontrol agents, enhancement of crop competition or allelopathic traits, and production of cover crops that will self-destruct near the time of planting.
There is data showing that this goal can be achieved using magnetic resonance imaging (MRI) with contrast agent (CA) enhancement.
Cranial MRI demonstrated subdural effusions in 9 of 10 subjects, while after the application of gd contrast agent meningeal enhancement was found in 7 of 9 subjects suggesting that subdural effusions are at least as reliable sign as meningeal contrast enhancement (Table 1).
Compared with extracellular agents (such as Gd-based contrast agents), its enhancement effect is more dependent on cell density than on tumour vascularity.
The perfusion characteristics of the contrast agent, intensity of enhancement, enhancement start time, peak time, contrast agent washout time, and lesion border, as well as endometrial thickness, lesion range, thickness of normal uterine myometrium, and thickness of myometrial invasion, were determined.
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