Contents Forward xi Chapter 1 Medical Imaging Techniques and Procedures Objectives Medical Imaging Medical Imaging Modalities Branches in Imaging Considerations in Imaging Ethics Effects of Ionizing Radiation Somatic effects Genetic effects Radiation Protection Upper Limbs Shoulder girdle Imaging Technique Hand PA and oblique Oblique Ball catching PA oblique 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 4 4 5 Hand Oblique Projection Fingers Thumb Index and middle finger Ring and 5th fingers Wrist joint Scaphoid views Carpal Tunnel Forearm Elbow joint 5 5 6 6 6 6 7 7 8 8 v Ulnar groove Transthoracic Humerus Lower Limb Foot Toes Ankle joint Tibia and fibula Knee Patella Femur Shoulder Girdle Shoulder joint Scapula Acromio-clavicular joints and clavicle Clavicle Pelvic girdle Pelvis Hip joint Vertebral Column Cervical Thoracic vertebrae Lumbar vertebrae Sacro – Iliac Joints Chest 8 8 8 9 9 9 9 10 10 11 11 11 11 12 12 12 12 12 12 14 14 14 14 15 15 vi Acute Abdomen AP supine Dorsal decubitus 17 17 18 Chapter 2 Medical Imaging Techniques and Procedures of Skull, Teeth, FBs and High Kilovoltage Technique Objectives v 19 19 Skull Imaging Radiographic base line (RBL) Anthropological line Coronal Interpupilary line Equipment Patient preparation Indications Cranium Basic views Supplementary views Base of skull Pituitary fossa Jugular foramina Facial bones Occipito-mental (OM) Mandible Dental Imaging WHO dental formulae Types of dentistry imaging Orthopantomography (OPG) Land marks Equipment Patient preparation and indications Centring points Occlusal views Bite wing views 19 19 20 20 20 20 20 20 20 20 20 22 22 22 22 22 23 24 24 25 25 25 25 25 26 26 26 Orthopantomography (OPG) Radiation protection High Kilovoltage (KV) Imaging Objectives Advantages Disadvantages Applications Foreign bodies-FBs Types of FBs 27 27 28 28 28 28 28 29 29 v Imaging procedure Sinuses and Fistulae Sinus Fistula Fistulography Faecal fistula Pediatric Imaging 29 30 30 30 30 30 31 Chapter 3 Medical Imaging Techniques and Procedures Using Contrast Media and Mobile Examinations or Portable Contrast Examinations Alimentary Tract Examinations Barium studies Examinations of GIT Responsibilities and duties of radiographer Barium swallow Barium meal Barium follow through Barium enema Contrast medium Small bowel enema Urinary System Patient preparation Indications for IVU Equipment and accessories Retrograde pyelography or ascending pyelography 33 33 34 34 34 34 35 36 37 38 39 43 47 47 47 47 48 Reproductive System Nervous System Myelography Circulatory System Interventional radiology 49 50 50 51 51 Chapter 4 Medical Imaging Techniques and Procedures – Modern Modalities Objectives v 53 53 Ultrasound Transducer Ultrasound Terms Production of ultrasound Transducers Display Modes Types of transducers Knobology Major Examinations Abdomen Small parts Indications Gynaecological Obstetric indications Computerized Tomography – CT Objectives Computerized tomography CT terms CT equipment CT generations Scanning procedure Display/archive CT image formation Image quality Advantages Computed Radiography (CR) Principles of computed radiography 53 54 54 54 55 55 55 55 56 56 57 57 57 57 58 58 58 58 59 60 60 61 61 62 62 62 62 Advantages of CR Disadvantages of CR Digital Radiography (DR) CR verses DR Benefits of CR and DR Medical applications of CR and DR Industrial applications Photostimulable phosphor (PSP) Image contrast v 63 63 63 64 64 64 64 65 65 Nuclear Medicine Objectives Definition Classification Radiotherapy Objectives Definition Reasons for therapy Branch therapy Teletherapy Applications Magnetic Resonance Imaging (MRI) Objectives Definition Equipment Applications Operation Images Contrast media MRI coils Hardware Magnets for MRI Quench Advantages of superconducting magnets 65 65 66 66 68 68 68 68 68 68 69 69 69 69 69 70 70 70 71 71 71 71 72 72 References 73 v Contents 10 1 0