3rd World Annual International Congress of the Endoscopic Transorbital Society (ETOS)

7th International Workshop – Endoscopic Transorbital Skull Base Surgery

BARCELONA

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Congress directors

Joaquim Enseñat
Alberto Di Somma
Isam Alobid
Alberto Prats

Congress directors

Joaquim Enseñat
Alberto Di Somma
Isam Alobid
Alberto Prats

3rd World Annual International Congress of the Endoscopic Transorbital Society (ETOS)

BARCELONA

12th - 13th NOVEMBER 2026

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Congress directors

Joaquim Enseñat
Alberto Di Somma
Isam Alobid
Alberto Prats

Congress directors

Joaquim Enseñat

Joaquim Enseñat

MD, PhD

Chairman of Neurosurgery. Hospital Clínic of Barcelona, Spain.
Professor of Neurosurgery, Barcelona University.

Alberto Di Somma

MD, PhD, FEBNS

Neurosurgeon, Hospital Clinic de Barcelona.
Associate Professor, Universitat de Barcelona.

Isam Alobid

MD, PhD, FEBORL-HNS

Rhinologist & Skull Base Surgeon, Hospital Clínic de Barcelona. Associate Professor, Universitat de Barcelona.

Alberto Prats

MD, PhD

Professor, Universitat de Barcelona.
Laboratory of Surgical NeuroAnatomy (LSNA), Hospital Clínic de Barcelona.

Faculty

Theodore Schwartz

Theodore H. Schwartz

MD, FACS

Professor of Neurosurgery, Mount Sinai Hospital.

Kris Moe

Kris. S. Moe

MD, F.A.C.S.

Department of Otolaryngology-Head and Neck Surgery, University of Washington School of Medicine, USA.

Doo Sik

Doo-Sik Kong

MD, PhD

Professor, Department of Neurosurgery, Samsung Medical Center, Seoul, Korea.

Matteo de Notaris

Matteo de Notaris

MD, PhD

Assistant Professor of Neurosurgery, University of Salerno, Italy.
Director - Laboratory of NeuroAnatomy EBRIS Institute-Salerno, Italy.

Calvin Mak

Calvin Mak

FRCSEd(SN)

Deputy Chief of Service & Consultant Neurosurgeon, Queen Elizabeth Hospital, Hong Kong.
Clinical Associate Professor (Honorary), Chinese University of Hong Kong.

Chang Ki

Chang-Ki Hong

MD, PhD

Professor, Department of Neurosurgery, Ulsan University College of Medicine.
Director, Brain Tumor Center, Asan Medical Center, Seoul, Korea.

Darlene Lubbe

Darlene E Lubbe

Prof. MBChB

Professor, Division of Otolaryngology.
Head of Unit, Division of Otorhinolaryngology, Groote Schuur Hospital, Cape Town, South Africa.

Lecture Day: Thursday, November 12

Venue:
Aula Magna, Faculty of Medicine, University of Barcelona
C/ Casanova, 143, Barcelona
OPENING CEREMONY — 08:00–08:25
08:00–08:05 Welcome Remarks Joaquim Enseñat
Hospital Clínic de Barcelona, University of Barcelona, Spain
08:05–08:15 Presidential Address
The Story of Endoscopic Transorbital Surgery: Historical Perspectives and Future Directions		 Theodore Schwartz
Icahn School of Medicine at Mount Sinai, New York, USA
08:15–08:25 ETOS Secretary Address
Building the International Transorbital Community		 Alberto Di Somma
Hospital Clínic de Barcelona, University of Barcelona, Spain

 

SESSION I — Surgical Anatomy and Technical Principles — 08:25–09:11

Moderators: Alberto Di Somma (Hospital Clínic de Barcelona, University of Barcelona, Spain) •
Matteo de Notaris (University of Salerno, Italy)
08:25–08:373D Anatomy of the Transorbital ApproachJaskaran Singh Gosal
AIIMS Jodhpur, India
08:37–08:49A Narrow Corridor or a Trendy Choice? Quantifying Surgical Freedom in Endoscopic Transorbital SurgeryBen Chat-Fong Ng
Queen Elizabeth Hospital, Hong Kong
08:49–09:01Quantifying the Transorbital Corridor: A 3D Photogrammetric ApproachToma Spiriev
University Hospital «St. Ivan Rilski», Bulgaria
09:01–09:11Session  Discussion 
SESSION II — Skull Base Meningiomas — 09:11–10:44

Moderators: Joaquim Enseñat (Hospital Clínic de Barcelona, University of Barcelona, Spain) •
Doo-Sik Kong (Samsung Medical Center, Sungkyunkwan University School of Medicine, South Korea)
09:11–09:23Anterior Cranial Fossa Meningiomas: My Surgical Decision-MakingSébastien Froelich
Lariboisière Hospital, Université Paris Cité, France
09:23–09:35Spheno-Orbital Meningiomas: Transcranial vs. TransorbitalDonato Pacione
NYU Langone Health, New York, USA
09:35–09:47Sphenoid Wing Meningiomas: The Bologna ExperienceMatteo Zoli
University of Bologna, Italy
09:47–09:59Petroclival Meningiomas: Transorbital, Transcranial and e-Kawase ApproachesChang-Ki Hong
Asan Medical Center, University of Ulsan College of Medicine, South Korea
09:59–10:11Anterior Clinoid Meningiomas: Transcranial vs. TransorbitalPierre-Olivier Champagne
Université Laval, Canada
10:11–10:23Why the Orbit: Anatomical Factors Guiding Surgical Strategy for selected Skull Base MeningiomasMatteo de Notaris
University of Salerno, Italy
10:23–10:26Oral Communication 1 · 3 minSelected Abstract
10:26–10:29Oral Communication 2 · 3 minSelected Abstract
10:29–10:44Session Discussion 
10:44–11:04Coffee Break

 

SESSION III — Meckel’s Cave and Beyond: Role of the Transorbital Approach — 11:04–12:37

Moderators: Theodore Schwartz (Icahn School of Medicine at Mount Sinai, New York, USA) •
Chang-Ki Hong (Asan Medical Center, University of Ulsan College of Medicine, South Korea)
11:04–11:16Recent Updates in Advanced TOA for the 3rd ETOS
Congress		Doo-Sik Kong
Samsung Medical Center, Sungkyunkwan University School of Medicine, South Korea
11:16–11:28Transorbital Surgery for Meckel’s Cave and Surrounding AreasAlberto Di Somma
Hospital Clínic de Barcelona, University of Barcelona, Spain
11:28–11:40Cavernous Sinus Surgery: My Decision-Making ApproachTheodore Schwartz
Icahn School of Medicine at Mount
Sinai, New York, USA
11:40–11:52Transorbital Surgery for Trigeminal Schwannomas: The Mexican ExperienceJuan Luis Gómez Amador
National Institute of Neurology and Neurosurgery, Mexico
11:52–12:04360° Biportal (Transorbital and Endonasal) Surgery for Invasive PitNetCalvin Mak
Queen Elizabeth Hospital, Hong Kong
12:04–12:16Simultaneous Endonasal and Transorbital Surgery: Improving Efficiency Without Compromising OutcomesByron de John
Groote Schuur Hospital, University of Cape Town, South Africa
12:16–12:19Oral Communication 3Selected Abstract
12:19–12:22Oral Communication 4Selected Abstract
12:22–12:37Session Discussion 
SESSION IV — ENT Perspectives and Multidisciplinary Transorbital Surgery — 12:37–13:58

Moderators: Kris Moe (University of Washington, Seattle, USA) •
Darlene Lubbe (University of Cape Town, South Africa)
12:37–12:49Expanding TONES: Frontal Sinus and Superior Orbital ApproachesKris Moe
University of Washington, Seattle, USA
12:49–13:01The Barcelona Multidisciplinary Experience in Endoscopic Transorbital SurgeryIsam Alobid
Hospital Clínic de Barcelona, University of Barcelona, Spain
13:01–13:13Transorbital Management of Cerebrospinal Fluid LeaksDarlene Lubbe
University of Cape Town, South Africa
13:13–13:25Lateral Sphenoid Sinus Recess Pathology: Beyond the Endonasal ApproachVíctor R. Chavez-Herrera
Mexico
13:25–13:37Transorbital Neuroendoscopic Transmaxillary Approach to the Pterygopalatine Fossa (TONES-Tmax)Javier M. Saavedra
Colombia
13:37–13:40Oral Communication 5Selected Abstract
13:40–13:43Oral Communication 6Selected Abstract
13:43–13:58Session Discussion 
13:58–14:28Lunch Break
Poster Viewing & Evaluation
SESSION V — Advanced and Emerging Applications of Endoscopic Transorbital Surgery — 14:28–16:22

Moderators: Theodore Schwartz (Icahn School of Medicine at Mount Sinai, New York, USA) •
Calvin Mak (Queen Elizabeth Hospital, Hong Kong)
14:28–14:40Functional Neurosurgery Through Transorbital CorridorsPedro Roldán
Spain
14:40–14:52Transorbital Approaches for Anteromedial Temporal Lobe GliomasJonathan Tangsrivimol
Thailand
14:52–15:04Tailoring the Transorbital Approach: Bone Resection Strategies for Intracranial PathologiesEdisher Maghalashvili
Georgia
15:04–15:16Transorbital Approach in the Management of Penetrating Head InjuryKrisna Tsaniadi Prihastomo
Indonesia
15:16–15:28Endoscopic Transorbital Approach to the Infratemporal FossaFrancesco Corrivetti
Sapienza University of Rome, Italy
15:28–15:40Exoscope, Endoscope or Both? Optimizing Visualization in Endoscopic Transorbital SurgeryEyüp Bayatlı
Ankara University School of Medicine, Turkey
15:40–15:52The Extended Inferolateral Transconjunctival Endoscopic Approach (e-ILTEA)Breno Câmara
Brazil
15:52–16:04The Indications for TONES: The AIM FrameworkCatherine Banks
Australia
16:04–16:07

Oral Communication 7 · 3 min

Selected Abstract

16:07–16:22Session Discussion 
16:22–16:37Coffee Break
SESSION VI — Vascular Applications, Outcomes and Future Perspectives — 16:37–18:46

Moderators: Joaquim Enseñat (Hospital Clínic de Barcelona, University of Barcelona, Spain) •
Matteo de Notaris (University of Salerno, Italy)
16:37–16:49Transorbital Vascular Surgery: Is It Truly Minimally Invasive?Ramon Torné
Hospital Clínic de Barcelona, Spain
16:49–17:01Transorbital Approaches for Cerebral Aneurysms: Early Clinical ExperienceJoel Caballero
Ecuador
17:01–17:13Transorbital Aneurysm Surgery: Surgical Planning and Virtual RealityWalter Jean
Canada
17:13–17:25Can Aneurysms Be Treated Through the Orbit? The Cleveland Clinic ExperienceMauricio Mandel
Cleveland Clinic Florida, USA
17:25–17:37The Evidence Behind Endoscopic Transorbital Surgery: Outcomes, Complications and Future DirectionsGuilherme Gago
Canada
17:37–17:49Postoperative CSF Leak After Transorbital Surgery: Prevention and ManagementDoron Sommer & Kesh Reddy
McMaster University, Canada
17:49–18:01Transorbital Surgery for Pediatric Orbital Trauma: From Reconstruction to Functional RecoveryGardashkhan Karimzada
Azerbaijan
18:01–18:13An Oculoplastic Perspective on Transorbital Neuroendoscopic SurgeryDinesh Selva
Australia
18:13–18:25Transorbital Surgery in Children: Lessons from the Rady
Children’s Experience		Michael L. Levy
Rady Children’s Hospital, San Diego, USA
18:25–18:28Oral Communication 8Selected Abstract
18:28–18:31Oral Communication 9Selected Abstract
18:31–18:46Session Discussion 
AWARDS CEREMONY & CLOSING REMARKS — 18:46–19:00
🏆 ETOS Best Oral Communication Award (€500)
🏆 ETOS Best Poster Award (€500)
Closing Remarks
Theodore Schwartz • Joaquim Enseñat • Alberto Di Somma

A Truly Global Faculty

39 internationally recognized experts from 20 countries across all six inhabited continents, making ETOS 2026 the

most globally representative meeting in the history of the Endoscopic Transorbital Society.

Represented Continents

🌍 Africa • 🌏 Asia • 🌍 Europe • 🌎 North America • 🌎 South America • 🌏 Oceania

Countries Represented

Australia • Azerbaijan • Brazil • Bulgaria • Canada • Colombia • Ecuador • France • Georgia • Hong Kong • India • Indonesia • Italy • Mexico • South Africa • South Korea • Spain • Thailand • Turkey • USA

Faculty Overview

 
ETOS Founding Members9  founding members
International Faculty30 invited faculty members from leading institutions worldwide
Total Faculty39 Faculty Members
Global Representation20 Countries • All 6 Inhabited Continents
Scientific Programme40 Faculty Lectures • 9 Oral Communications • Unlimited Poster Presentations
Awards🏆 Best Oral Communication Award (€500)🏆 Best Poster Award (€500)

Dissection Day: Friday, November 13

Venue:
Anatomy Department, Faculty of Medicine, University of Barcelona
C/ Casanova, 143, Barcelona
08:00 – 08:30
Lecture
Endoscopic Transorbital Approach to the Skull Base. Full-Day Lab Workflow
Dr. Alberto Di Somma
08:30 – 09:30
Skin Phase (Superior Eyelid)
09:30 – 10:30
Working Space Phase (LOR Removal)
10:30 – 11:00
Working Space (Orbital Wall Drilling)
11:00 – 11:45
Coffee Break
11:45 – 12:30
Lesser Sphenoid Wing Exposure
12:30 – 13:00
Lesser Sphenoid Wing Removal
13:00 – 14:00
Sagittal Crest
14:00 – 14:45
Lunch
15:00 – 16:00
Anterior Clinoid
16:00 – 16:45
Middle Fossa Floor & Pterion
16:45 – 17:45
Petrous Apex
17:45 – 19:00
Dura Opening – Intradural Dissection
19:00 – 19:30
Discussion and Final Remarks
Programme (PDF)

Course Pricing Structure

Full Course (Lectures + Dissection): 2500€ 
(ETOS membership included)

Dissection Only: 2000€
(ETOS membership included)

Lectures Only: 500€
(ETOS membership included)

Registration fee includes a one-year ETOS membership. Active ETOS members will receive a 100€ discount coupon.

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Call for Abstracts