宿醉
发表于 2025-3-23 11:16:38
The Diagnosis of Small Acoustic Neuromas by Air CT Cisternography and Canalographyternography, though excellent in defining a cisternal mass lesion, cannot be visualized intracanalicular unless the acoustic canal is grossly enlarged and therefore cannot exclude the presence of a lesion limited to canal or porus (2). Pantopaque cisternography has so far been the only neuroradiolog
mercenary
发表于 2025-3-23 17:56:06
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为宠爱
发表于 2025-3-23 21:13:43
Computed Tomography — Artifacts and Limitationsn this is achieved, the values for each element of the reconstruction will be independent of position in the slice and of the nature of the adjacent material, and the image is free of artifacts. Of course, in clinical practice this ideal is not achieved, and to one degree or another computed tomogra
SHOCK
发表于 2025-3-24 01:30:48
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refraction
发表于 2025-3-24 03:08:59
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抵制
发表于 2025-3-24 08:56:53
https://doi.org/10.1007/b101885chine and the DOSE attributable to a CT scanner. With ordinary x-rays, as successive x-rays are made the DOSE is accumulated because the same area of the body generally receives the radiation. On the other hand, the CT Scanner radiates only the section being studied and hence, when the next section
缩影
发表于 2025-3-24 13:36:18
https://doi.org/10.1007/b101885t tissues. However, it was soon realized that greater flexibility was needed, and that other scanning planes would be desirable or even vital for certain anatomical evaluations. Anatomical features lying in or near the transverse plane of the scan cannot be imaged well by transverse sections. In the
敲竹杠
发表于 2025-3-24 15:08:46
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Phonophobia
发表于 2025-3-24 20:08:10
Additive Manufacturing of Metal Powderh CT images of superior spatial resolution and adequate contrast resolution. (10) Applied to the spine, these high resolution CT images delineate the normal and pathologic anatomy of the spinal cord in exquisite detail, permitting sophisticated diagnosis of spinal cord lesions.
公式
发表于 2025-3-24 23:55:15
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