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Hospital: 3D printing for precision medicine
A feature on the PRIM3D platform and Necker's maxillofacial surgery department, with an interview of Roman Hossein Khonsari on custom-made cranial reconstruction.
The future of predictive medicine
An essay by Roman Hossein Khonsari on the future of predictive medicine: mechanistic and statistical modeling, digital twins (including a craniofacial digital twin and the lab's AIDY project as examples), health-data governance (SNDS, the Health Data Hub, sovereignty debates), and the case of pediatric craniofacial surgery, where predicting growth is a central challenge. Published in Spirale magazine's "Does the human of the future have a future?" dossier.
Guest profile: Roman Hossein Khonsari, pediatric maxillofacial surgeon
A profile of Roman Hossein Khonsari, pediatric maxillofacial surgeon and founder of a surgical-training network in Georgia, Armenia, Azerbaijan, and Ukraine.
2024 Ig Nobel Prize in Anatomy for a study on hair whorls
Roman Hossein Khonsari and his team received the 2024 Ig Nobel Prize in Anatomy for their study on whether the hemisphere of birth influences the rotation direction of hair whorls, covered among others by the Korean children's science magazine Kids Science Donga (issue 21, 1 November 2024) and by Epsiloon (issue 43, January 2025).
"At AP-HP, we can custom-make almost any object"
An interview with Roman Hossein Khonsari on AP-HP's 3D-printing service, now PRIM3D, and its use in manufacturing custom medical devices.
White phosphorus burns: an international legal gap
In the ENS alumni magazine's issue on fire, Roman Hossein Khonsari, an ENS alumnus and director of the Forme et Croissance du Crâne lab, describes the clinical effects of white phosphorus burns and the ambiguities of the international law surrounding them.
The Health Data Hub — Better coordinating medical data for research
With Louis Viard and Agathe Delaune, Roman Hossein Khonsari, then medical director of the Health Data Hub, explains how to better organize French health data for research.
Emergency medical 3D printing
With Jeanne Bertrand, Roman Hossein Khonsari retraces the origin of the Port-Royal 3D-printing "farm," set up in ten days at Hôpital Cochin during the first wave of Covid-19.
Emergency 3D printing: proof of concept from the Port-Royal initiative during the Covid-19 pandemic
A detailed account by Roman Hossein Khonsari of how the emergency 3D-printing platform at Hôpital Cochin worked, and what it achieved, during the pandemic.
Covid-19: when 3D printers save lives
An interview with Roman Hossein Khonsari, in charge of 3D printing for AP-HP, on deploying 60 3D printers at Hôpital Cochin to manufacture medical equipment during the first wave of Covid-19.
Necker Hospital, an outpost of tomorrow's surgery
A guided tour of Necker's maxillofacial surgery department: neuronavigation, robotics, and the 3D-printing platform led by Roman Hossein Khonsari, ahead of PRIM3D's launch.






