Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
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Computed tomography (CT) is the mainstay of
cancer imaging outside of the central nervous
system. Advances in multidetector CT (MDCT)
technology have had a profound impact on its diagnostic
capabilities. Such techniques as multiphase, single breath-hold
imaging, CT angiography (CTA), volume rendering and
virtual colonography owe their success to the development of
multidetector arrays with continuously moving gantries.
However, to achieve these advantages without incurring the
penalty of increased radiation exposure, care must be
exercised in selecting the optimum combination of slice
thickness, X-ray beam collimation, and table speed....
Nội dung trích xuất từ tài liệu:
New Techniques in Oncologic Imaging
