Monthly publications : October 2016 | WebSurg, the online university of IRCAD

Expanded endoscopic skull base vs. Open skull base approach: decision analysis

In this key lecture, Dr. Dehdashti compares two approaches, namely the expanded endoscopic skull base vs. the open skull base approach in order to make a therapeutic decision.
1. Skull base approach and endoscopic approach
2. Indication and limitation
3. Comparison of skull base cranial approaches with endoscopic approaches
4. Olfactory groove meningioma
5. Example of endoscopic transnasal approach for planum sphenoidal meningioma
6. Which approach we can choose for meningiomas
7. Suprasellar meningioma via transnasal endoscopic approach
8. Suprasellar meningioma via interhemispheric frontobasal approach
9. Tuberculum sellae meningioma via transnasal endoscopic approach
10. Endoscopic endonasal resection of meningioma

Expanded endoscopic skull base vs. Open skull base approach: decision analysis

In this key lecture, Dr. Dehdashti compares two approaches, namely the expanded endoscopic skull base vs. the open skull base approach in order to make a therapeutic decision.
1. Skull base approach and endoscopic approach
2. Indication and limitation
3. Comparison of skull base cranial approaches with endoscopic approaches
4. Olfactory groove meningioma
5. Example of endoscopic transnasal approach for planum sphenoidal meningioma
6. Which approach we can choose for meningiomas
7. Suprasellar meningioma via transnasal endoscopic approach
8. Suprasellar meningioma via interhemispheric frontobasal approach
9. Tuberculum sellae meningioma via transnasal endoscopic approach
10. Endoscopic endonasal resection of meningioma

The subtemporal approach and anterior petrosectomy

In this key lecture, Dr. Dehdashti focuses on the subtemporal approach and anterior petrosectomy.
1. Bone anatomy
2. Middle fossa anatomy
3. Petrous carotid anatomy
4. Temporal lobe
5. Cranial nerves and arteries
6. Pathology
7. Subtemporal approach steps
8. Anterior petrosectomy steps
9. Clinical case images
10. Clinical case film of anterior petrosectomy
11. Pons cavernous hemangioma case

The subtemporal approach and anterior petrosectomy

In this key lecture, Dr. Dehdashti focuses on the subtemporal approach and anterior petrosectomy.
1. Bone anatomy
2. Middle fossa anatomy
3. Petrous carotid anatomy
4. Temporal lobe
5. Cranial nerves and arteries
6. Pathology
7. Subtemporal approach steps
8. Anterior petrosectomy steps
9. Clinical case images
10. Clinical case film of anterior petrosectomy
11. Pons cavernous hemangioma case

Strategy for treatment of giant aneurysms at Lariboisière Hospital, Paris (France)

In this key lecture, Dr. Houdart focuses on the strategy for treatment of giant aneurysms at Lariboisière Hospital in Paris (France).
1. Natural history of giant aneurysm
2. Personal experience
3. Endovascular treatment
4. Other issue of selective treatment
5. Parent artery occlusion or flow reversal technique?
6. ICA occlusion treatment
7. Balloon occlusion test
8. Technique of coil delivery
9. Postoperative examination
10. Efficacy of parent artery occlusion
11. Result and complication
12. Flow diverter
13. Clinical case of flow diverter
14. Giant ICA aneurysm
15. Giant BA aneurysm
16. Treatment of giant aneurysm at the level of the IC terminal An, BA top An
17. Clinical case examples
18. Giant M1 aneurysm
19. Giant BA aneurysm
20. Giant VA aneurysm
21. What to do in ruptured giant aneurysm
22. Conclusion

Strategy for treatment of giant aneurysms at Lariboisière Hospital, Paris (France)

In this key lecture, Dr. Houdart focuses on the strategy for treatment of giant aneurysms at Lariboisière Hospital in Paris (France).
1. Natural history of giant aneurysm
2. Personal experience
3. Endovascular treatment
4. Other issue of selective treatment
5. Parent artery occlusion or flow reversal technique?
6. ICA occlusion treatment
7. Balloon occlusion test
8. Technique of coil delivery
9. Postoperative examination
10. Efficacy of parent artery occlusion
11. Result and complication
12. Flow diverter
13. Clinical case of flow diverter
14. Giant ICA aneurysm
15. Giant BA aneurysm
16. Treatment of giant aneurysm at the level of the IC terminal An, BA top An
17. Clinical case examples
18. Giant M1 aneurysm
19. Giant BA aneurysm
20. Giant VA aneurysm
21. What to do in ruptured giant aneurysm
22. Conclusion

Endoscopic assisted neurosurgery

In this key lecture, Dr. Delitala highlights endoscopic assisted neurosurgery.
1. Introduction
2. Endoscopic operation
3. Key hole surgery
4. Anterior cranial base surgery
5. Endoscopic assisted microsurgery
6. Trigeminal neuralgia
7. Vestibular schwannoma
8. Epidermoid cysts
9. Aneurysm
10. Tuberculum sellae meningioma
11. Limitation
12. Robotic surgery
13. Conclusion

Endoscopic assisted neurosurgery

In this key lecture, Dr. Delitala highlights endoscopic assisted neurosurgery.
1. Introduction
2. Endoscopic operation
3. Key hole surgery
4. Anterior cranial base surgery
5. Endoscopic assisted microsurgery
6. Trigeminal neuralgia
7. Vestibular schwannoma
8. Epidermoid cysts
9. Aneurysm
10. Tuberculum sellae meningioma
11. Limitation
12. Robotic surgery
13. Conclusion

Endoscopic endonasal approach for pituitary adenomas: standard approach

In this key lecture, Dr. Dufour demonstrates a standard endoscopic endonasal approach for pituitary adenomas.
1. History of pituitary adenoma
2. Position of the patient
3. Anesthesia
4. Anatomy in the nose
5. Mucosal dissection
6. Endoscope position
7. Sphenoid sinus
8. Dura opening
9. Tumor resection
10. Closure and repair of sellar floor
11. Complications
12. Pitfalls
13. Conclusion

Endoscopic endonasal approach for pituitary adenomas: standard approach

In this key lecture, Dr. Dufour demonstrates a standard endoscopic endonasal approach for pituitary adenomas.
1. History of pituitary adenoma
2. Position of the patient
3. Anesthesia
4. Anatomy in the nose
5. Mucosal dissection
6. Endoscope position
7. Sphenoid sinus
8. Dura opening
9. Tumor resection
10. Closure and repair of sellar floor
11. Complications
12. Pitfalls
13. Conclusion

Endoscopic approach to the clivus

In this key lecture, Dr. Clara focuses on the endoscopic approach to the clivus.
1. Transsphenoidal approach
2. Anatomy
3. Clivus anatomy
4. Endoscopic view of posterior fossa from transsphenoidal approach
5. Landmarks
6. Dissection images
7. Case presentation
8. Outcome of clinical cases

C Clara

Endoscopic approach to the clivus

In this key lecture, Dr. Clara focuses on the endoscopic approach to the clivus.
1. Transsphenoidal approach
2. Anatomy
3. Clivus anatomy
4. Endoscopic view of posterior fossa from transsphenoidal approach
5. Landmarks
6. Dissection images
7. Case presentation
8. Outcome of clinical cases

The endoscopic endonasal approach for craniopharyngiomas

In this key lecture, Dr. Cavallo focuses on the endoscopic endonasal approach for craniopharyngiomas.
1. Historical background
2. Transcranial and endoscopic approach to craniopharyngioma
3. Transsphenoidal approach
4. Advantage of transsphenoidal approach
5. Extended transnasal approach
6. Surgical steps
7. Key points
8. Classification of craniopharyngioma
9. Result
10. Infundibular position classification
11. Third ventricular areas classification
12. Clinical examples of third ventricular type
13. Recurrent craniopharyngioma
14. Selection criteria
15. Floor reconstruction

The endoscopic endonasal approach for craniopharyngiomas

In this key lecture, Dr. Cavallo focuses on the endoscopic endonasal approach for craniopharyngiomas.
1. Historical background
2. Transcranial and endoscopic approach to craniopharyngioma
3. Transsphenoidal approach
4. Advantage of transsphenoidal approach
5. Extended transnasal approach
6. Surgical steps
7. Key points
8. Classification of craniopharyngioma
9. Result
10. Infundibular position classification
11. Third ventricular areas classification
12. Clinical examples of third ventricular type
13. Recurrent craniopharyngioma
14. Selection criteria
15. Floor reconstruction

Endoscopic approach to the cavernous sinus

In this key lecture, Dr. Cavallo focuses on the endoscopic approach to the cavernous sinus.
1. Endoscopic transnasal extended approach of cavernous sinus
2. Anatomy, transcranial view
3. Anatomy, transnasal view
4. Endoscopic approach to cavernous sinus
5. Lateral extended approach
6. Indications
7. Pituitary adenoma in cavernous sinus
8. Lateral corridor to ICA
9. Limitation of endoscopic cavernous sinus surgery
10. Conclusion

Endoscopic approach to the cavernous sinus

In this key lecture, Dr. Cavallo focuses on the endoscopic approach to the cavernous sinus.
1. Endoscopic transnasal extended approach of cavernous sinus
2. Anatomy, transcranial view
3. Anatomy, transnasal view
4. Endoscopic approach to cavernous sinus
5. Lateral extended approach
6. Indications
7. Pituitary adenoma in cavernous sinus
8. Lateral corridor to ICA
9. Limitation of endoscopic cavernous sinus surgery
10. Conclusion

Transnasal endoscopic surgery: complications in the endoscopic era

In this key lecture, Dr. Aldo Stamm focuses on transnasal endoscopic surgery, and more specifically on complications in the endoscopic era.
1. Transnasal endoscopic skull base surgery, surgical complication
2. Transnasal transseptal approach
3. Nasal and sinuses complication
4. Complication case of chordoma
5. Complication case of clivus foramen magnum meningioma
6. Complication case of upper clivus chordoma
7. Limitation of the endonasal endoscopic approach
8. Complication of parasellar meningioma
9. Complication of pituitary adenoma
10. ICA injury

A Stamm

Transnasal endoscopic surgery: complications in the endoscopic era

In this key lecture, Dr. Aldo Stamm focuses on transnasal endoscopic surgery, and more specifically on complications in the endoscopic era.
1. Transnasal endoscopic skull base surgery, surgical complication
2. Transnasal transseptal approach
3. Nasal and sinuses complication
4. Complication case of chordoma
5. Complication case of clivus foramen magnum meningioma
6. Complication case of upper clivus chordoma
7. Limitation of the endonasal endoscopic approach
8. Complication of parasellar meningioma
9. Complication of pituitary adenoma
10. ICA injury

Foramen magnum meningiomas

In this key lecture, Dr. George focuses on foramen magnum meningiomas.
1. What is the difference between the craniocervical junction and the foramen magnum?
2. Anatomy of the JJC and FM
3. CCJ area pathologies; localization, intradural lesion or extradural lesion
4. Images of clinical cases
5. Three approaches: anterior approach, posterior approach, lateral approach
6. Classification for surgical planning
7. Origin of the tumor; 1. horizontal plane (anterior meningioma, lateral meningioma, posterior meningioma), 2. relation to the VA (below, above, both sides of VA), 3. relation to the dura
8. Intradural, extradural, combined
9. Preoperative preparation
10. Surgical technique
11. Clinical operation movie

Foramen magnum meningiomas

In this key lecture, Dr. George focuses on foramen magnum meningiomas.
1. What is the difference between the craniocervical junction and the foramen magnum?
2. Anatomy of the JJC and FM
3. CCJ area pathologies; localization, intradural lesion or extradural lesion
4. Images of clinical cases
5. Three approaches: anterior approach, posterior approach, lateral approach
6. Classification for surgical planning
7. Origin of the tumor; 1. horizontal plane (anterior meningioma, lateral meningioma, posterior meningioma), 2. relation to the VA (below, above, both sides of VA), 3. relation to the dura
8. Intradural, extradural, combined
9. Preoperative preparation
10. Surgical technique
11. Clinical operation movie

Surgical management of petroclival meningiomas: where do we stand?

In this lecture, Dr. Roche focuses on the surgical management of petroclival meningiomas.
1. Natural history
2. Type of petroclival meningioma
3. Literature reviews
4. How to predict the tumor vascularization, texture, adhesion
5. Personal experience results
6. Surgical technique, anterior petrosectomy, combined petrosal approach, retrosigmoid approach, etc.
7. Anterior petrosectomy
8. Combined petrosectomy
9. Retrosigmoid approach
10. Mortality and morbidity
11. Clinical cases
12. Oncological results of literature
13. Petroclival meningioma treatment algorithm
14. Message

Surgical management of petroclival meningiomas: where do we stand?

In this lecture, Dr. Roche focuses on the surgical management of petroclival meningiomas.
1. Natural history
2. Type of petroclival meningioma
3. Literature reviews
4. How to predict the tumor vascularization, texture, adhesion
5. Personal experience results
6. Surgical technique, anterior petrosectomy, combined petrosal approach, retrosigmoid approach, etc.
7. Anterior petrosectomy
8. Combined petrosectomy
9. Retrosigmoid approach
10. Mortality and morbidity
11. Clinical cases
12. Oncological results of literature
13. Petroclival meningioma treatment algorithm
14. Message

Anterior clinoidectomy

In this key lecture, Dr. Dufour focuses on anterior clinoidectomy.
1. Anatomy of anterior clinoid process
2. An indication of anterior clinoidectomy
3. How to remove the clinoid process
4. Surgical position
5. Surgical steps of craniotomy
6. Surgical step of anterior clinoidectomy
7. Anatomical variations
8. Effraction of the sinus
9. Other options
10. Conclusion

Anterior clinoidectomy

In this key lecture, Dr. Dufour focuses on anterior clinoidectomy.
1. Anatomy of anterior clinoid process
2. An indication of anterior clinoidectomy
3. How to remove the clinoid process
4. Surgical position
5. Surgical steps of craniotomy
6. Surgical step of anterior clinoidectomy
7. Anatomical variations
8. Effraction of the sinus
9. Other options
10. Conclusion

Surgery for giant aneurysms – clip or bypass

In this key lecture, Dr. Vajkoczy focuses on surgery for giant aneurysms, and more specifically when to use a direct or an indirect approach.
1. Background of treatment of giant aneurysms
2. Review of giant aneurysm analysis
3. Surgical treatment vs. Endovascular treatment
4. Clinical examples
5. Skull base approach for giant aneurysms
6. Selection of approaches for giant aneurysm
7. Philosophy of giant aneurysm
8. Direct techniques for giant aneurysms
9. End-to-end anastomosis
10. Indirect techniques
11. Balloon occlusion test
12. PICA aneurysm
13. Clinical cases
14. Trapping of aneurysm
15. Side-to-side bypass
16. PICA-PICA bypass clinical case
17. Complex MCA aneurysm
18. IC giant aneurysm clinical case
19. Conclusion

Surgery for giant aneurysms – clip or bypass

In this key lecture, Dr. Vajkoczy focuses on surgery for giant aneurysms, and more specifically when to use a direct or an indirect approach.
1. Background of treatment of giant aneurysms
2. Review of giant aneurysm analysis
3. Surgical treatment vs. Endovascular treatment
4. Clinical examples
5. Skull base approach for giant aneurysms
6. Selection of approaches for giant aneurysm
7. Philosophy of giant aneurysm
8. Direct techniques for giant aneurysms
9. End-to-end anastomosis
10. Indirect techniques
11. Balloon occlusion test
12. PICA aneurysm
13. Clinical cases
14. Trapping of aneurysm
15. Side-to-side bypass
16. PICA-PICA bypass clinical case
17. Complex MCA aneurysm
18. IC giant aneurysm clinical case
19. Conclusion

Focus on Skull Base Surgery