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This extended interactive webinar brings together the dual perspectives of rheumatology and radiology, exploring how modern MRI has reshaped the diagnosis and management of axial spondyloarthritis (axSpA).
Prof. Denis Poddubnyy lays the groundwork with evidence-based imaging strategies, from when and how to request MRI to interpreting active versus structural lesions. He revisits recent multicenter data, highlighting the limitations of plain radiography and the risk of overdiagnosis driven by nonspecific bone marrow edema.
Prof. Kay-Geert Hermann continues with an in-depth look at mechanical mimickers, sacroiliac joint variants, and spinal manifestations. His section bridges biomechanics and imaging, showing how sex-specific anatomy and joint morphology influence MRI findings — and how to distinguish true inflammatory disease from mechanical overload, osteitis condensans, or degenerative changes.
The second half of the session features live case discussions, audience polls, and Q&A exchanges between both experts, translating advanced imaging knowledge into practical diagnostic confidence.
After watching this webinar, participants will be able to:
Dr. Hermann is a professor of radiology specialized in musculoskeletal imaging with a focus on arthritides. His research is dedicated mainly to the axial skeleton but the peripheral joints as well. The majority of his research projects are in the field of spondyloarthritis, where he is also connected with other researchers from Canada, UK, Germany, and Israel. He has also a strong track in applying innovative technology within medical education. He is an active member of ASAS, ESSR, DGMSR, and DRG and has won the Conrad Wilhelm Roentgen award in 2011, Felix Wachsmann award in 2014 and DVMB research prize in 2015. In 2019 he was promoted to associate professor.
Denis Poddubnyy, MD, PhD, MSc (Epi), is a Professor of Medicine at the University of Toronto.
In 2008, he completed his PhD thesis on cardiovascular pathology in ankylosing spondylitis. In 2013, he completed his postdoctoral thesis (Habilitation) focusing on the prediction and prevention of disease progression in early axial spondyloarthritis. He earned a Master’s degree in Epidemiology from the Institute of Public Health in Berlin in 2016. That same year, he was appointed Professor and Head of Rheumatology at Campus Benjamin Franklin, Charité University Hospital in Berlin, Germany, and served as the leader of the "Spondyloarthritis" research group at the German Rheumatology Research Centre (DRFZ).
In July 2024, he was appointed to a full-time clinical academic position in the Division of Rheumatology, Department of Medicine at the University of Toronto, with the rank of Professor, and as a Senior Scientist at the Schroeder Arthritis Institute of the University Health Network in Toronto, Canada. He serves as Director of the Advanced Imaging Program, and Co-Director of both the Psoriatic Arthritis Program and the Clinical Trial Unit.
Since 2003, his research has focused on the early diagnosis, treatment, and outcomes of patients with spondyloarthritis, including psoriatic arthritis. Dr. Poddubnyy is a member of the Executive Committee of the Assessment of SpondyloArthritis International Society (ASAS) and a member of the Steering Committee, as well as the Research and Publication Committees, of the Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA). He also serves on the Research Committee of the Spondyloarthritis Research and Treatment Network (SPARTAN). He is the author of more than 300 publications, including peer-reviewed journal articles and book chapters.
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