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The Invention of the Medical Imaging Machine: A Diagnostic Breakthrough
A plain-language overview of how X-ray, ultrasound, CT, MRI and PET each gave medicine a new way to see inside the living body without surgery.
Medicine and the Body
Seeing inside the body with scans.
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A plain-language overview of how X-ray, ultrasound, CT, MRI and PET each gave medicine a new way to see inside the living body without surgery.
How medical imaging moved from flat shadows to cross-sectional slices and 3D reconstruction, and why the computing power behind it mattered so much.
What counts as the first medical imaging technology? A look at how X-ray radiography began in 1895 and branched into later diagnostic methods.
A history of how imaging came to be used to spot tumors, from early radiographs to mammography, CT and PET. Historical overview only, not medical advice.
A look at lesser-known contributors and abandoned methods in medical imaging history, from early X-ray pioneers to discarded contrast agents and air studies.
The story of computed tomography in the early 1970s: Godfrey Hounsfield at EMI, Allan Cormack's theory, and the first brain scanners.
How nuclear magnetic resonance research became the MRI scanner, and why credit among Lauterbur, Mansfield, Damadian and others is still disputed.
How radioactive tracers and coincidence detection of gamma rays led to the first PET scanners in the 1970s, and what made the technique different.
How sonar-derived ultrasound moved into medicine, from 1940s experiments to the obstetric scanning pioneered in Glasgow in the 1950s.
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