Basic Artificial Intelligence Techniques
Key points • With the rapidly expanding use cases for AI, there is a growing need for proper evaluation of developed algorithms. • Although the external test set is the…
Basic Artificial Intelligence Techniques
Machine learning is an important tool for extracting information from medical images. Deep learning has made this more efficient by not requiring an explicit feature extraction step and in some…
Chest CT Pathology
Chest CT Pathology Segments of the Lung It is especially important to be able to identify the segments of the lungs in CT images if bronchioscopy is planned for biopsy…
Abdominal CT
Abdominal CT In general, all soft-tissue organs should appear uniform and be well defined, except when partial volume effects occur (cf. p.14) or during the early arterial phase of CM…
CT Angiography
CT Angiography Bringing out the information contained in images of CT angiography requires a review using different perspectives (MIP = maximum intensity projection), different reconstruction planes (MPR = multiplanar reconstruction)…
PET/CT: Introduction
PET/CT: Introduction A PET/CT diagnostic study combines functional biochemical imaging (PET = Positron Emission Tomography) with morphologic imaging (CT) in a single examination. The examination makes it possible to simultaneously…
Spinal Column: Skeletal Pathology
Spinal Column: Skeletal Pathology The occipital condyles at the base of the skull articulate with the first vertebra, the atlas (50a), which is the only vertebra to lack a body….
Contrast Injectors
Contrast Injectors Indications In contrast-enhanced CT and MRI, it is desirable to have a homogeneous intravascular distribution of the contrast medium (CM) for the duration of the contrast study to…
Lower Extremity
Lower Extremity The anterior muscles of the thigh include the sartorius muscle (38), and the four components of the quadriceps muscle (39). The most anterior is the rectus femoris (39a),…
Solutions to Test Yourself!
Solutions to Test Yourself! The exercises and solutions have been numbered consecutively. Some of the exercises have several different correct solutions. If the exercises can be solved simply by referring…
