Scientific Program


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4.07.2026

Time Hall A
08:00-08:30 Registration
08:30-08:50 Opening Piano Recital
Yashar Aminzadeh
08:50-09:00 Opening Remarks
Ümit Şehirli - Dean, Marmara University Medical School
Alper Kepez - Chief Physician, Marmara Pendik Education and Research Hospital
Hakan Gündüz - Co-chair
Elif Gürkan - Co-chair
Jean-Yves Maigne - Co-chair
Levon Doursounian - Co-chair
09:00-09:45 Special Lecture
Basic Knowledge in Coccydynia
Moderator:
Elif Gürkan
The Modern Approach to Coccydynia
Jean-Yves Maigne
09:45-10:30 Session 1 - Anatomy of the Coccyx
Moderators:
Hakan Gündüz, İbrahim Halil Erdem
09:45-10:00 Coccyx Anatomy and Its Importance for Diagnosing and Treating Tailbone Pain
Patrick Foye
10:00-10:15 The Coccyx Incidence. A Forgotten but Useful Angle
Jean-Yves Maigne
10:15-10:30 Differential Diagnosis of Coccygodynia: A Practical Clinical Approach
İpek Edipoğlu
  Discussion
10:30-11:00 Coffee Break
11:00-13:00 Session 2 - Conservative and Interventional Therapy
Injections and Alternative Techniques
Moderators:
Jean-Yves Maigne, Belgin Erhan
11:00-11:15 Diagnosis Coccygodynia: From Diagnosis to Therapy: Current Evidence and Clinical Approaches
Reinhard Thoma
11:15-11:30 The Role of Pelvic and Spinal Alignment in the Development of Coccygeal Pain
Aslınur Ercişli
11:30-11:45 Conservative Approach Overview About Different Injections Techniques and Results
Rainer Günter Knobloch
11:45-12:00 Discussion
12:00-12:15 Minimally Invasive Injections for Coccyx Pain: Steroids, Ganglion Impar and Beyond
Patrick Foye
12:15-12:30 Results of CT Guided Injections
Elif Gürkan
12:30-12:45 Interventional Procedures and Results in Our Patients With Coccygodynia
Hakan Gündüz, Savaş Şencan
12:45-13:00 Discussion
13:00-14:00 Lunch Coccyx Sculpture Workshop
Filiz Bozan, Hidayet Arslan
14:00-15:00 Session 3- Coccydynia and Spondyloarthritis
Moderator:
Tuncay Duruöz
14:00-14:15 Coccydynia in Patients with Axial Spondyloarthritis: Reflection of Enthesitis?
Rana Terlemez
14:15-14:30 Coccydynia in Patients with Spondyloarthritis: Always Rigid Coccyges
Jean-Yves Maigne
14:30-14:45 Predictive Factors Affecting Treatment Success in Ganglion Impar Block Applied in Chronic Coccygodynia
Ender Sir
14:45-15:00 Discussion
15:00-16:00 Session 4- Physiotherapy for Coccydynia
Moderator:
Sytske Lohof-Venema
15:00-15:15 Hypomobility as the Most Important Cause of Coccydynia and Coccygeal Instability? The Effects of Manual Mobilizations
Roel Wilbers
15:15-15:30 Rectal and/or Vaginal Therapeutic Mobilization of the Coccyx. Comparative Study on 30 Patients
Elif Gürkan
15:30-15:45 Physical Conservative Treatment of Coccydynia
Sytske Lohof-Venema
15:45-16:00 Discussion
16:00-16:30 Coffee Break Coccyx Canvas Painting Workshop
Berna Seraj
16:30-17:30 Session 5- Public and Medical Beliefs in Coccydynia
Moderator:
Banu Kuran
16:30-16:45 Do we Utilize Cognitive Behavioral Therapy for our Patients with Coccydynia?
Sibel Demir
16:30-16:45 Public and Professional Attitudes to Coccydynia
Jon Miles
16:45-17:00 Public Education for People with Coccydynia: Transforming Tailbone Pain into Empowerment
Patrick Foye
17:15-17:30 Discussion

5.07.2026

Time Hall A Time Hall B Time Hall C
08:00-09:00 Oral Presentations Session 1
Moderators: Ümit Yalçın, Serdar Kokar
08:00-09:00 Oral Presentations Session 2
Moderators: Savaş Şencan, Tülay Şahin
   
  OP-1 - Artificial Intelligence-Generated Responses To Frequently Asked Questions On Coccydynia: Evaluating The Accuracy And Consistency Of GPT-4o's Performance
Berkay Erbağcı
  OP-7 - Catheter-Assisted Paramedian Versus Conventional Midline Cervical Interlaminar Epidural Injection For Cervical Radicular Pain: Preliminary Results Of A Retrospective Comparative Study
Atak Karabacak
   
  OP-2 - Demographic And Clinical Characteristics Of Patients With Coccygeal Fracture Presenting To The Emergency Department: A Seven-Year Retrospective Analysis
Alp İnanıcı
  OP-8 - Can Magnetic Chair-Based Electromagnetic Field Therapy Offer A Solution For Pain Management In Patients With Coccydynia? A Randomized Sham-Controlled Trial
Ayşe Başak Yalçın
   
  OP-3 - Does Body Composition Shape Coccydynia? Beyond Body Mass Index (BMI): Adiposity Distribution And Clinical Outcomes - A Pilot Study
Aslınur Keleş Ercişli
  OP-9 - Mode Of Delivery Decision In A Pregnant Woman With Coccyx Dysfunction Following Previous Vaginal Delivery: A Case Report
Cennet Nur Baş
   
  OP-4 - Comparison Of Mesotherapy And Conventional Treatment In Patients With Coccygodynia: A Pilot Study
Duygu Yanıktaş
  OP-10 - Evaluating The Quality And Reliability Of YouTube Videos On Coccydynia
Ebru Kübra Taşpolat
   
  OP-5 - Impact Of Metabolic Syndrome On The Durability Of Pain Relief After Lumbar Transforaminal Epidural Steroid Injection: A Prospective Cohort Study
Merve Sekizkardeş
  OP-11 - Does The Presence Of Trauma Affect The Success Of Ganglion Impar Block In Patients With Chronic Coccydynia?
Mustafa Hacıömeroğlu
   
  OP-6 - Validity And Psychometric Characteristics Of The Turkish Version Of The Paris Coccyx Questionnaire (PCQ)
Aslınur Keleş Ercişli
  OP-12 - Fluoroscopy-Guided Ganglion Impar Block For Refractory Coccygodynia In Children And Adolescents: A Case Series
Gamze Gül Güleç
   
    OP-13 - The Impact Of Needle Entry Angle On Procedure Duration And Radiation Dose In Fluoroscopically Guided Caudal Epidural Injection
Hatice Kaplan
   
09:00-11:00 Session 6-Surgical Technique
Moderators:
Levon Doursounian, Yahya Güvenç
       
09:00-09:15 A History of Coccygectomy
Levon Doursounian
       
09:15-09:30 Coccygectomy in the Surgical Treatment of Traumatic Coccygodynia
Çağatay Öztürk
       
09:30-09:45 Impar Ganglion Thermocoagulation During Surgical Coccygectomy: Technique and Complications
Frederic Jacquot
       
09:45-10:00 Discussion        
10:00-10:15 Coccygectomy - Pearls and Pitfalls
Ralph Schernberger
       
10:15-10:30 The Tailbone Paradox: Why a 'Double-Team' Strike may be the Only Answer for the Forgotten Bone - Two Worlds, One Goal: A Coloproctological & Microneurosurgical Symphony for Refractory Coccydynia
Massimo Mongardini
       
10:30-10:45 Algometra®: A Digital Tool for the Assessment and Follow-up of Coccydynia after Injection or Coccygectomy
Marc Leveque
       
10:45-11:00 Discussion        
11:00-11:30 Coffee Break        
11:30-12:45 Session 7- Indications for Surgery
Moderator:
Rainer Günter Knobloch
       
11:30-11:45 Implementation of a Tailbone Screening Tool
Achim Benditz
       
11:45-12:00 Traumatic Coccydynia Patients Benefits from Coccygectomy more than Patients Undergoing Coccygectomy for Non-traumatic Causes
Mehmet Elmadağ
       
12:00-12:15 Surgery for Refractory Coccygodynia - Myths and Reality
Rainer Günter Knobloch
       
12:15-12:30 Coccygectomy Clinic – A Model of Team Approach for Surgical Indication
Levon Doursounian, Jean-Yves Maigne
       
12:30-12:45 Discussion        
12:45-13:15 Lunch        
13:15-14:00 Didactic Course
Interpretation and Reading of Dynamic Radiographs

Jean Yves Maigne

Free for Symposium Attendees

       
14:00-15:00 Oral Presentations Session 3
Moderators: Burak Erken, Rekib Saçaklıdır
14:00-15:00 Oral Presentations Session 4
Moderators: Bora Uzuner, Canan Şanal
14:00-15:00 Manual Treatment Modalities for Coccydynia: Simulation-Based Training in Rectal and Vaginal Approaches
Elif Gürkan
  OP-14 - Differentiating Infection From Trauma-Induced Inflammation In A Pediatric Patient With Post-Traumatic Coccygeal Swelling And Elevated Inflammatory Markers
Lal Özlüşen
  OP-20 - Do Transforaminal Epidural Steroid Injections Reduce The Need For Gabapentinoids In Patients With Lumbar Radicular Pain?
Nurbanu Hindioğlu Doğan
   
  OP-15 - Inadvertent Intra-Articular Facet Joint Contrast Spread During Lumbar Transforaminal Epidural Steroid Injection
Merve Sekizkardeş
  OP-21 - More Than Neuromodulation: Alexithymia and Patient-Reported Outcomes in Spinal Cord Stimulation
Gaye Boztepe Yılmaz
   
  OP-16 - Efficacy Of Interventional Pain Management Techniques For Non-Malignant Chronic Pelvic Pain: A Retrospective Clinical Analysis
Özlem Melike Ekşi
  OP-22 - Alexithymia in Patients with Chronic Coccydynia: Evaluation of the Presence of Alexithymia and Its Relationship with Clinical Parameters: An Observational Study
İpek Uyanık
   
  OP-17 - Effect Of Psychometric Measurements On Short-Term Pain Outcomes In Patients With Coccydynia Undergoing Ganglion Impar Block
Seçil Azime Karakuş
  OP-23 - Comparison Of Ultrasound-Guided Perimeniscal Corticosteroid And Dextrose Injections For Medial Knee Pain In Osteoarthritis: A Pilot Randomized Clinical Trial
Gamze Gül Güleç
   
  OP-18 - The Predictive Value Of Ultrasonographic Quadriceps Muscle Parameters For Genicular Nerve Block Outcomes In Knee Osteoarthritis
Tuğçe Gezer Karabacak
  OP-24 - Kinesiophobia In Coccydynia: Unrelated To Pain Intensity But Strongly Associated With Disability And Quality Of Life
Kemal Sarı
   
  OP-19 - Coccydynia Awareness, Attitudes, Behaviors, And Symptom Prevalence Among Medical Secretaries
Zeynep Noyan
  OP-25 - Overlooked Concomitant Pathologies In Coccygeal Pain: Osteitis Pubis And Greater Trochanteric Pain Syndrome
Burcu Çınar
   
      OP-26 - Ganglion Impar Block For Chronic Postpartum Coccydynia Following Instrumental Vaginal Delivery: A Mid-Term Follow-Up Case Series
Tuğçe Güvem Ekiz
   
      OP-27 - Topographic Anatomy And Clinical Evaluation Of The Ganglion Impar
Ömer Selim Al
   

Workshops

Time Hall A Time Anatomy Cadaver Lab, Marmara University School of Medicine- Meeting Room A Time Interventional Pain Clinic of Asaf Ataseven Hospital
13:15-14:00 Didactic Course
Interpretation and Reading of Dynamic Radiographs

Jean Yves Maigne

Free for Symposium Attendees


       
14:00-15:00 Manual Treatment Modalities for Coccydynia: Simulation-Based Training in Rectal and Vaginal Approaches
Elif Gürkan
14:00-15:00 Dissection of the Coccyx and Related Structures
Abdul Veli İsmailoğlu, Ümit Şehirli, Levon Doursounian
14:00-15:00 Fluoroscopy and Ultrasound Guided Injections for Coccygodynia
Hakan Gündüz, Jean Yves Maigne, Savaş Şencan, Serdar Kokar

*This course is only available for pain medicine specialists and fellows.

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*Symposium registration is required to attend the workshops.

Important Dates