News
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Visiana receives FDA
510(k) clearance for BoneXpert bone age softwareHØRSHOLM, Denmark – 30 September 2026 – Visiana today announced that the U.S. Food and Drug Administration (FDA) has granted 510(k) clearance (K262390) for BoneXpert,...
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Validation of BoneXpert
bone age across five U.S. centersA Stanford-led study, with contributing centers in Boston, Atlanta, Cincinnati, Yale and Stanford, has been published in Pediatric Radiology. Hand radiographs of 1,285 children were...
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New Study: BoneXpert bone age has a precision of 0.08 years
A new longitudinal study from Philadelphia finds that BoneXpert’s automated bone age has a precision (repeatability) of 0.08 years – far better than manual rating....
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Is your radiology AI sycophantic?
The word sycophant is Greek for “showing figs”—a gesture of calculated pleasing. In the world of AI, a sycophantic model is one that is frightened...
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BoneXpert validation study in Turkey
Researchers from Koc University Hospital in Istanbul have published a study validating two bone age systems: BoneXpert and Vuno.
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Bone age validation study from Leipzig
Radiologists at the University Hospital in Leipzig have published a comparison of three automated bone age methods
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Google AI talks about BoneXpert AI
We might be crossing a line these days, as AI is not only taking over some of the radiologists’ work, but also taking over talking...
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Validation of BoneXpert in India
Dr Anuradha V. Khadilkar’s research group in Pune, India, has published a study of BoneXpert bone age, reporting its accuracy and presenting reference curves for...
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External validation of commercial AI products
Kicky van Leeuwen and the AIR Working Group of Radboud University (Nijmegen, the Netherlands) have performed an external validation of commercial AI systems for bone...
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Swiss study compares two bone age algorithms
The accuracy of bone age determination by BoneXpert and Panda in 188 images was reported at ECR. Federica Zanca from Leuven, together with four co-authors...
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BoneXpert knows its own limitation
A new paper documents BoneXpert’s accuracy and self-validation
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BoneXpert is accurate in Moroccan children
A study from Queen Fabiola Children’s University Hospital in Brussels on the accuracy of bone age has been published.
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BoneXpert Online: Automated bone age in your browser
BoneXpert for automated bone age assessment is installed in more than 150 hospital clinics and the system has performed more than 500.000 bone age measurements...
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New bone age reference curves from Taiwan
A new independent study has been published with bone age reference curves for healthy Taiwanese children.
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New bone age reference curves from Mexico
A new independent study has been published with bone age reference curves for healthy Mexican children
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RSNA challenge boosts automated bone age ratings
RNSA (The Radiological Society of North America) organized a machine learning challenge in bone age rating in 2017. This article reviews the challenge and explains...
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BoneXpert version 3.0 released
The long-awaited version 3.0 of BoneXpert is now rolling out to all customers. It represents the most significant update, since BoneXpert's launch 10 years ago....
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Hands-on AI
There is a lot of talk about how artificial intelligence will affect radiology, but not much about the AI systems already in use. It is therefore...
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Special Focus Session on age assessment at ESPR 2017
Prof Dr med Oskar Jenni of University of Zurich with expertise in developmental psychology, and PhD Hans Henrik Thodberg, developer of BoneXpert, will give a joint,...
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Automated bone age extended up to 19 years
The upcoming release of BoneXpert version 2.4 (version 2.4.5.1, released Dec 28) extends the Greulich-Pyle bone age range up to 19 years for boys and...
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The friendly co-existence of BoneXpert and image post-processing
BoneXpert, version 2, from January 2013 introduced an increased robustness towards image post-processing. More specifically: edge enhancement and contrast amplification. This version made bone age...
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Three new publications
ACTA Radiology’s November 2013 issue is devoted to invited articles on pediatric radiology and features a review entitled “Bone age assessment: automated techniques coming of...
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New thoughtful article in Radiology about CAD
Radiology brings an interesting article entitled “Computer-aided Diagnosis: How to Move from the Laboratory to the Clinic”, which presents a remarkably deep analysis of the...
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How dangerous is it to eat a banana?
A discussion of the radiation dose of a bone age hand X-ray. The hazard of ionizing radiation is of great concern in pediatric radiology, but...
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Three new publications
The validation of BoneXpert is extended by three new publications
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New validation study of BoneXpert in Academic Radiology
The BoneXpert bone age method has been validated in a study of healthy American children of four ethnicities in a paper published by the American...
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April 2010: Three new publications
Hormone Research in Paediatrics has published three papers on BoneXpert online.
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Clinical Review of BoneXpert in JCEM
The Journal of Clinical Endocrinology and Metabolisms, the official journal The Endocrine Society, has published a succinct clinical review of the BoneXpert method for automated...