Mohamed Fethi Ladeb is Professor of Radiology at the Medical School of Tunis. He was former Head of the Department of Radiology, M. Kassab Orthopaedic Institute, Tunisia. His subspecialty interest is musculoskeletal radiology. He is a member of the international Skeletal Society, The French Radiologic Society, The Swiss Radiologic Society, The Tunisian Radiologic Societ,y and The Tunisian Society of Telemedicine. His academic output comprises 100 journal publications, 17 book chapters, two guidelines and three books.

Filip M. Vanhoenacker is staff radiologist at the department of radiology at General Hospital Sint-Maarten Mechelen and guest professor of musculoskeletal radiology at the University of Antwerp's Faculty of Medicine and Health sciences and the Faculty of Medicine and Health Sciences at Ghent University. Filip Vanhoenacker graduated as a medical doctor from the Catholic University of Leuven in 1987, Belgium. He is a board certified radiologist withextensive international experience. He has co-authored or authored 375 peer-reviewed scientific papers, six books and 91 book chapters. He is an active member of many national and international societies, including the ESR. He served as Secretary and President of the European Society of Musculoskeletal Radiology (ESSR).

Part I: Anatomy and Histology of the Synovium.- Normal Anatomy and Histology.- Part II: Classification, Pathology, Genetics and Molecular Biology.- Classification of Synovial Tumors According to WHO 2020.- Pathology, Genetics and Molecular Biology.- Part III: Imaging Modalities.- Ultrasound of Synovial Tumors and Tumorlike Conditions.- Radiography and CT in Synovial Tumors and Tumorlike Conditions.- Magnetic Resonance Imaging of Synovial Tumor and Tumorlike Conditions.- PET/CT in Synovial Tumors and Tumor-Like Conditions.- Diagnostic Algorithm of Synovial Tumors and Tumor-Like Conditions.- Part IV: Imaging of Synovial Tumors and Tumor-like Conditions of the Synovium.- Synovial Chondromatosis.- Tenosynovial Giant Cell Tumor.- Lipoma Arborescens.- Synovial Hemangioma.- Synovial Chondrosarcoma.- Synovial Metastasis and Lymphoma.- Synovial Amyloidosis.- Synovial Cysts, Ganglion Cysts, and Bursae.- Mimics of Synovial Tumors Due to Trauma and Inflammation.-Mimics of Synovial Tumors Due to Chronic Infection.- Part V: Treatment of Synovial Tumors and Tumor-like Conditions of the Synovium.- Surgical Treatment.- Nonsurgical Treatment.