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Kikuchi Lab
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A lab that studies medical imaging, using radiation and quantum beams to image the inside of the body.
AboutAbout the lab
Imaging the inside of the body with radiation.
The Kikuchi Lab studies medical imaging technologies that use radiation and quantum beams, such as X-ray CT, image-guided surgery, and PET.
Medical imaging is indispensable to modern medicine, and it is becoming increasingly important not only for diagnosis but also for treatments that cure without cutting.
The lab understands hardware and software together as a single "system" and develops technologies to improve its performance.
It also conducts interdisciplinary research that integrates the sciences and humanities, incorporating perspectives from neuroscience and psychology to evaluate and optimize the technologies it develops.
Key terms
- PET
- A method that measures gamma rays emitted from a radioactive drug introduced into the body and produces three-dimensional images of the body's functions.
- Image-guided surgery
- Surgery that cures without cutting, in which instruments are passed through blood vessels while watching X-ray fluoroscopic images. Also called IVR (interventional radiology).
- Eye tracker
- A device that tracks and records where a person is looking.
NewsLab news
View More ↗ResearchResearch themes
The lab conducts research and development on medical imaging technologies that use radiation and quantum beams, such as X-ray CT, image-guided surgery, and PET. It emphasizes two approaches: technology development that treats hardware and software as one integrated system, and interdisciplinary evaluation and optimization drawing on neuroscience and psychology.
*Illustrative imageCompound semiconductor radiation detectors
The lab is developing highly sensitive detectors and image sensors using compound semiconductors that absorb X-rays and gamma rays well. Arranging tiny elements side by side allows fine position measurement, and, as a characteristic of semiconductor detectors, energy can also be measured with high accuracy.
*Illustrative imageSuper-resolution PET systems
The resolution achievable with PET is physically limited. Through new data acquisition methods and the development of new system components, the lab aims to build devices with resolution that exceeds that limit.
*Illustrative imageReducing radiation exposure in image-guided surgery
Catheter surgery requires continuously taking X-ray fluoroscopic images, so reducing radiation exposure is essential. Using technology that extracts objects such as catheters from the images, the lab aims to reduce the X-ray dose while keeping the images easy to see.
*Illustrative imageEvaluating imaging technologies through gaze
The lab is trying to evaluate the quality of imaging technologies by measuring the eye movements of doctors and others with eye trackers. Currently, it is investigating how the visibility of X-ray video in catheter surgery affects the human eye.
MembersFaculty
- Associate ProfessorYohei Kikuchi
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Garfield X-ray machine 2” Harris & Ewing, photographer / Public domain (cropped)
- Compound semiconductor radiation detectors: “Silicon Wafer 20190210” Enrique Jiménez / CC BY-SA 2.0 (cropped)
- Super-resolution PET systems: “PET scan” liz west from Boxborough, MA / CC BY 2.0 (cropped)
- Reducing radiation exposure in image-guided surgery: “X-ray machine” Ben Stephenson from Beltsville, Maryland / CC BY 2.0 (cropped)
- Evaluating imaging technologies through gaze: “EyeTrackingDevice” Chronos Vision GmbH / CC BY-SA 3.0 (cropped)
- Related lab (Watabe Lab): “Cyclotron ARRONAX” Popocatomar / CC BY-SA 4.0 (cropped)
- Related lab (Hitomi-Nogami Lab): “Silicon wafer researcher” U.S. Department of Energy / Public domain (cropped)
- Related lab (Okatani-Hosoya-Tran Lab): “Computer Lab Baraboo” JackFromWisconsin / CC0 (cropped)
- Related lab (Terakawa Lab): “Clinac” No machine-readable author provided. Egg assumed (based on copyright claims). / CC BY-SA 2.5 (cropped)
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