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2023/24 Taught Postgraduate Module Catalogue

MEDP5332M X-ray Computed Tomography

15 creditsClass Size: 30

Module manager: Dr Stephen Kengyelics

Taught: 1 Jan to 30 Jun View Timetable

Year running 2023/24

Pre-requisite qualifications

As per entry onto the MSc Medical Imaging.

For all students, prior attendance of MEDP5331M Medical X-ray Imaging is compulsory.


MEDP5331MMedical X-ray Imaging

This module is mutually exclusive with

MEDP3532X-ray Computed Tomography

Module replaces


This module is not approved as an Elective

Module summary

This module describes the scientific principles and techniques employed by modern computed tomography systems. Students will develop their abilities to critically assess the performance of a wide range of computed tomography technology available in a number of clinical application areas.


This module will provide a detailed understanding of the physical principles of medical X-ray computed tomography and give an appreciation of its role in patient diagnosis and treatment.

Learning outcomes
At the end of the module, students will be able to:

- Demonstrate a detailed understanding of the physical principles under-pinning modern computed tomography
- Recognise the most important technologies currently utilised in computed tomography
- Critically evaluate the design of current computed tomography imaging equipment and techniques
- Describe the chain of physical and technical processes contributing to the successful formation, acquisition, processing and display of computed tomography images and evaluate how each of these contribute to the image formation process
- Interpret the relevant physical characteristics of computed tomography images
- Recognise the fundamental trade-off between image quality and radiation dose to the patient in computed tomography
- Appreciate the complimentary roles computed tomography plays alongside other medical imaging modalities in medical diagnosis

Skills outcomes
The underlying science of computed tomography imaging is fundamental to a wide range of clinical applications in radiology and radiography. The module will benefit radiology and radiography practitioners, and will benefit those involved in computed radiography and X-ray imaging research.


Basic Principles of Computed Tomography Imaging

- Physical principles of computed tomography systems
- Major components of a scanner
- Operation of scanner and image data acquisition
- Types of scanner (Helical/Spiral, Multi-slice, & Multi-spectral)
- Image reconstruction methods
- Image quality & patient radiation dose trade-off

Advanced Computed Tomography Systems

- Multi-slice CT
- Evolution of multi-slice CT scanners
- Dual source CT scanners
- Multi-spectral CT scanners
- Cone beam CT

Clinical Applications
- Cardiac CT imaging
- CT angiography
- CT fluoroscopy
- Applications in radiation therapy: CT simulation
- Breast CT imaging
- CT screening
- 3D and 4D CT imaging

Radiation Dose & Quality Assurance

- Radiation dose measurement
- Factors affecting dose in computed tomography
- Methods of dose reduction
- Radiation protection principles
- Quality control for CT

Teaching methods

Delivery typeNumberLength hoursStudent hours
Computer Class21.002.00
Independent online learning hours20.00
Private study hours111.00
Total Contact hours19.00
Total hours (100hr per 10 credits)150.00

Private study

Students will consult a range of online material, books, and journal articles to support their learning, and develop a depth of understanding based around the taught materials. Students must also complete the summative in course assessment, and prepare for the examination.

Opportunities for Formative Feedback

Each lecture is accompanied by a number of formative questions (and answers) which students can use to gauge progress. The three computer sessions, and two tutorials also provide with opportunity for feedback.

Methods of assessment

Assessment typeNotes% of formal assessment
Essay or Dissertation2,500 words30.00
In-course MCQFormative exercises: 5-10 questions provided after each lecture0.00
Total percentage (Assessment Coursework)30.00

Compensation is permitted between the assessments.

Exam typeExam duration% of formal assessment
Online Time-Limited assessment3 hr 00 mins70.00
Total percentage (Assessment Exams)70.00

Normally resits will be assessed by the same methodology as the first attempt, unless otherwise stated

Reading list

The reading list is available from the Library website

Last updated: 06/02/2024


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