The voice of medical imaging and clinical oncology

Matthew Memmott

Metal artefact reduction in PETCT

CT-based attenuation correction (AC) is a fundamental component of clinical PETCT imaging and its accuracy is dependent on the integrity of the CT data. The method for AC is a multi-step process, starting with conversion of CT data to the equivalent mass-attenuation coefficient for 511keV photons (μ511keV), reduction of the data volume to that of […]

Matthew Memmott

Manchester University NHS Foundation Trust

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Maintaining image quality in VQ SPECT

During 2015 and 2016, 50,696 admissions for acute pulmonary embolism were reported in the UK alone, resulting in an incidence of around 0.8 per 1,000 population. Just under 10% of these cases were in patients aged 40 or under; a cohort with greater than the reported 0.005% per mSv average lifetime cancer risk. While VQ […]

Matthew Memmott, Dr Sivakumar Muthu

Central Manchester University Hospitals

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