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News Medical & healthcare

3D X-ray imaging technology provides fresh insight into lung disease

By Jason Ford 22nd April 2016 12:10 pm 22nd April 2016 12:11 pm

Advanced 3D X-ray imaging technology is providing new insight into the way an aggressive form of lung disease develops.

Originally designed for the analysis of engineering parts such as jet turbine blades, the scanning equipment at Southampton University’s µ-VIS Centre for Computed Tomography, has been used to image Idiopathic Pulmonary Fibrosis (IPF) lung tissue samples for the first time.

IPF is usually diagnosed via a hospital CT scan or by using a microscope to view a lung biopsy sample however Southampton researchers have now applied Microfocus CT to image biopsy samples. This allowed them to view each lung sample with a level of detail similar to an optical microscope but now in 3D.

It had been thought that active scarring in IPF progressed like a large ‘wave’ from the outside to the inside of the lung. Instead, the study, published in JCI Insight, found that there are large numbers of individual sites of active disease scarring. The research team, from the National Institute for Health Research Southampton Respiratory Biomedical Research Unit, believes this finding will help to ensure doctors develop targeted therapies focussing on these areas.

Each year over 5,000 new cases of IPF are diagnosed in the UK, and the number of cases is increasing by around 5 per cent every year. The condition causes inflammation and scarring of the lung tissue, which causes breathing difficulties and leaves sufferers with a life expectancy of only three-to-five years.

The study’s lead author Dr Mark Jones, a Wellcome Trust fellow from the University of Southampton and University Hospital Southampton, said: “Whilst accurate diagnosis of IPF is essential to start the correct treatment, in certain cases this can be extremely challenging to do using the tools currently available.

“This technology advance is very exciting as for the first time it gives us the chance to view lung biopsy samples in 3D. We think that the new information gained from seeing the lung in 3D has the potential to transform how diseases such as IPF are diagnosed. It will also help to increase our understanding of how these scarring lung diseases develop which we hope will ultimately mean better targeted treatments are developed for every patient.”

Microfocus CT can scan inside objects in great detail – rotating 360 degrees whilst taking thousands of 2D images, which are then used to build detailed 3D images.

Prof Ian Sinclair, Director of the µ-VIS Centre for Computed Tomography, said: “By being a multidisciplinary centre we have a wealth of expertise that have allowed us to apply this technology in a way that has not been done before. This work is of great significance to us, with the long-term potential to translate our research from the bench to the bedside of patients.

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