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Novel Clinical Imaging Research

3-D hyperpolarized xenon ventilation MRI image
There are now an unprecedented number of imaging techniques being developed that are potentially available for clinical practice, for instance, dynamic contrast enhanced MRI, perfusion CT, novel PET tracers, and hyperpolarized xenon. These techniques have yet to be shown to impact on clinical practice and often require modification of either scanning technique or
methods for data analysis. There is also a significant amount of data available from current imaging techniques already in use that may potentially be used as a prognostic biomarker, predict treatment response, and modify treatment.
We have focused on a small number of different areas: angiogenesis imaging using dynamic contrast enhanced MRI and perfusion CT, dynamic FDG PET imaging, and the novel 18 F PET integrin imaging agent fluciclatide.


Novel clinical imaging 1     Novel clinical imaging 2   
18 F fluciclatide PET-CT images of a patient with bilateral scapula bone metastases from renal cancer. Image A is pre-antiangiogenic therapy demonstrating active angiogenesis at the edge of the metastases. Image B confirms the anti-angiogenic effect of treatment with decreased integrin activity at the sites of pre-treatment avidity.


We have also developed novel data analysis techniques for use in hyperpolarized xenon MRI. Trials in normal healthy volunteers, patients with COPD and lung cancer are currently underway, and have enabled us to develop methods of lobar analysis of ventilation and emphysema correlated with CT and pulmonary function. The aim is to develop an imaging tool that would, for instance, predict the change in lung function following lobar resection or following radiotherapy.
Novel clinical imaging 3
3-D hyperpolarized xenon ventilation MRI image