Courses in Diagnostic Imaging – CT and MRI

RESIDENT TRAINING MRI LECTURE OUTLINE
• Instrumentation, Digital images, Resolution, Signal/Noise
• Magnetism
• Larmor frequency
• Faraday’s Law
• T1, T2, T2* relaxation
• Spin echo techniques-T1, T2 and intermediate-weighted pulse sequences
• Gradient echo, T2* weighted sequences
• Inversion recovery-STIR, FLAIR images
• Fat Saturation
• MRA
• Contrast enhancement- with T1-weighting and T2*-weighting
• Clinical case presentations

RADIOLOGY RESIDENTS’ CT LEARNING OBJECTIVES CHECKLIST
• Attend 2 hour physics lecture by AST
• Read CT physics chapter in Christensen or other textbook (eg, Berland)
• Be able to describe cause of these CT artifacts-beam hardening, partial volume averaging, blooming artifact, edge gradient artifact, noise or photon starvation
• Be able to describe in own words the concept of windowing. Know approximate window settings for brain, lung, mediastinum, nasal cavity, bone
• Complete physics practice exam (in binder) and return to AST
• Learn CT scanner operation-be able to run a scan completely by yourself (on emergency basis if needed)
• Attend all clinical CT scans on CT day
• Learn terminology and orientation of animal vs. human images (use CD-ROM and binder notes)
• Learn CT skull anatomy landmarks (test yourself using CD-ROM and binder notes)
• Learn major brain divisions on gross specimens (use CD-ROM and binder notes)
• Learn ventricular system-gross and CT (use CD-ROM and binder notes)
• Learn cranial nerves (use CD-ROM)
• Learn CT anatomy of entire head (use annotated hard copy of normal dog)
• Know HU for major tissue types (binder notes)
• Know terminology for types of hydrocephalus (see newsletter in binder)
• Be able to explain in own words concept of contrast enhancement
• Know the three factors which cause a lesion to be hyperdense on pre-contrast CT
• Learn image characteristics for various lesions (see glossary in binder, Kornegay article, human texts)
• Be able to dictate report with all the necessary ingredients (see memo)
• Learn basic anatomy of spinal canal (with myelography) thorax and adrenal gland region
• Practice CT biopsy with phantom (see articles)
• Read all CT articles in resident reading list/files
• Complete the self-exam in CD-ROM