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axSpA and Beyond – Nine interactive cases

About the Course

This case-based module offers a deep dive into imaging findings across the spectrum of axial spondyloarthritis and related conditions. Each of the nine interactive cases combines real clinical data with expertly annotated imaging, followed by video commentary from either Prof. Denis Poddubnyy or Prof. Kay-Geert Hermann.
They walk you through key diagnostic challenges, subtle differential findings, and clinical correlations.

Learning Objectives

After completing this module, participants will be able to:

Identify characteristic imaging features of axial spondyloarthritis and its mimics on MRI and radiography.
Differentiate between inflammatory and degenerative changes in the sacroiliac joints and spine.
Correlate imaging findings with clinical context and disease stage for improved diagnostic confidence.
Discuss case-based insights presented by leading experts to reinforce pattern recognition and clinical reasoning.

List of cases

Transitional lumbosacral anomaly with accessory neoarthrosis
Axial spondyloarthritis
Late radiographic axSpA with inflammation in the spine
Ankylosing spondylitis with erosions and active inflammation
Osteitis condensans and osteochondrosis
Spinal inflammation in psoriatic arthritis with axial involvement
axSpA with active and structural changes
Mild form of osteitis condensans
Degenerative disc disease with pseudo-spondylolisthesis

Authors

Denis Poddubnyy

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.

Kay G. Hermann

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.