GENERAL RADIOLOGY

Stereotactic radiosurgery machines

Apr 6, 2024 by in GENERAL RADIOLOGY Comments Off on Stereotactic radiosurgery machines

1.1 Technical requirements of a stereotactic radiosurgery system Stereotactic radiosurgery (SRS) requires high doses of radiation to be delivered to a prespecified volume of tissue with remarkably high spatial accuracy…

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Ultrasound

Apr 18, 2023 by in GENERAL RADIOLOGY Comments Off on Ultrasound

Ultrasound 14.0 INTRODUCTION The characteristics, properties, and production of ultrasound for clinical applications are described. Ultrasound interaction with tissues, instrumentation, equipment, image acquisition, processing, and display demonstrate how useful acoustic…

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Computed Tomography

Apr 18, 2023 by in GENERAL RADIOLOGY Comments Off on Computed Tomography

Computed Tomography 10.0 INTRODUCTION Computed tomography (CT) has experienced enormous growth in clinical use over the past three decades primarily due to significant advances in image quality and a dramatic…

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Magnetic Resonance Basics: Magnetic Fields, Nuclear Magnetic Characteristics, Tissue Contrast, Image Acquisition

Apr 18, 2023 by in GENERAL RADIOLOGY Comments Off on Magnetic Resonance Basics: Magnetic Fields, Nuclear Magnetic Characteristics, Tissue Contrast, Image Acquisition

Magnetic Resonance Basics: Magnetic Fields, Nuclear Magnetic Characteristics, Tissue Contrast, Image Acquisition The protons and neutrons of the nucleus have a magnetic field associated with their nuclear spin and charge…

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Magnetic Resonance Imaging: Advanced Image Acquisition Methods, Artifacts, Spectroscopy, Quality Control, Siting, Bioeffects, and Safety

Apr 18, 2023 by in GENERAL RADIOLOGY Comments Off on Magnetic Resonance Imaging: Advanced Image Acquisition Methods, Artifacts, Spectroscopy, Quality Control, Siting, Bioeffects, and Safety

Magnetic Resonance Imaging: Advanced Image Acquisition Methods, Artifacts, Spectroscopy, Quality Control, Siting, Bioeffects, and Safety 13.0 INTRODUCTION Advanced pulse sequences and fast image acquisition methods; methods for perfusion, diffusion, and…

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Radiation Detection and Measurements

Apr 18, 2023 by in GENERAL RADIOLOGY Comments Off on Radiation Detection and Measurements

Radiation Detection and Measurements 17.0 INTRODUCTION The detection and measurement of ionizing radiation are the basis for the majority of diagnostic imaging. In this chapter, the basic concepts of radiation…

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Image Quality

Apr 18, 2023 by in GENERAL RADIOLOGY Comments Off on Image Quality

Image Quality 4.0 INTRODUCTION At a fundamental level, image quality is about diagnostic accuracy, which is a difficult quantity to measure. Because of this, most image quality measures are based…

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