ReVision Radiology CT metal artifact reduction

Summary
The Metal Deletion Technique (MDT) for CT metal artifact reduction improves image quality in 86% of cases, and improves diagnosis in 14% of cases. This includes cases of cancer and stroke that were missed without MDT. MDT reduces metal artifacts due to beam hardening, motion, scatter, and photon starvation. Many competing techniques only reduce beam hardening artifacts. The MDT software works with images from any manufacturer's scanner, and can be integrated with PACS. MDT produces better results than metal artifact reduction products from GE, Siemens, and Philips, according to an independent research group. It is currently used in more than 140 hospitals around the world, including MGH, MD Anderson, Stanford, UCLA, and University of Cambridge.

Learn more about MDT (slides).

Commercial licensing terms are available upon request. CT scanner manufacturers or radiology software vendors can integrate MDT into their products. MDT can also be used for research applications. First, review the software manual. Next, email a description of your planned application to revisionrads@gmail.com.

Note: The free web interface for metal artifact reduction has been disabled due to overwhelming demand.

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Examples (before and after metal artifact reduction)

Bilateral hip replacements (with streaks obscuring perirectal lymphadenopathy from rectal cancer)
bilateral hip replacement metal artifact (FBP)

bilateral hip replacement metal artifact reduction (MDT)
Aneurysm clip (with streaks obscuring an acute hemorrhage)
aneurysm clip metal artifact (FBP)

aneurysm clip metal artifact reduction (MDT)
Bilateral hip replacements (with streaks obscuring a fluid collection adjacent to the joint)
bilateral hip replacement metal artifact (FBP)

bilateral hip replacement metal artifact reduction (MDT)
Aneurysm clip (with streaks obscuring an acute infarct)
aneurysm clip metal artifact (FBP)

aneurysm clip metal artifact reduction (MDT)
Cholecystectomy clips
cholecystectomy clip metal artifact (FBP)

 metal artifact reduction (MDT)
Dental fillings
dental fillings metal artifact (FBP)

dental fillings metal artifact reduction (MDT)
Hip replacement
hip replacement metal artifact (FBP)

hip replacement metal artifact reduction (MDT)
Bilateral hip replacements
bilateral hip replacement metal artifact (FBP)

bilateral hip replacement metal artifact reduction (MDT)
Splenectomy clips
surgical clip metal artifact (FBP)

surgical clip metal artifact reduction (MDT)
Embolization coils
embolization coil metal artifact (FBP)

embolization coil metal artifact reduction (MDT)
Embolization coils
embolization coil metal artifact (FBP)

embolization coil metal artifact reduction (MDT)

MDT is not FDA approved, and is only intended for research use. It is covered by US patent 8233586.
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