Petroclival Clinoidal Folds and Arachnoidal Membranes of the Anteromedial Incisural Space: Clinical Anatomy for Neuro Critical Care

Author:

Pescatori Lorenzo1,Taurone Samanta2,Ciccarelli Antonello2,Palmieri Mauro3,Serraino Alessandra3,Artico Marco4ORCID,Fornai Francesco56ORCID,Longhitano Yaroslava78ORCID,Zanza Christian910,Tesauro Manfredi1011,Savioli Gabriele12ORCID,Miglietta Selenia13ORCID,Ciappetta Pasqualino14

Affiliation:

1. Department of Neurosurgery, S. Eugenio Hospital of Rome, 00144 Rome, Italy

2. Department of Movement, Human and Health Sciences, Division of Health Sciences, University of Rome “Foro Italico”, 00135 Rome, Italy

3. Human Neurosciences Department, A.U.O. “Policlinico Umberto I” Neurosurgery Division, Sapienza University, 00185 Rome, Italy

4. Department of Sensory Organs, “Sapienza” University of Rome, 00185 Rome, Italy

5. IRCCS Neuromed, 86077 Pozzilli, Italy

6. Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy

7. Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh, Pittsburgh, PA 15260, USA

8. Department of Emergency Medicine, Humanitas University Hospital, 20089 Rozzano, Italy

9. Italian Society of Prehospital Emergency Medicine (SIS 118), 74121 Taranto, Italy

10. Post Graduate School of Geriatric Medicine, University of Rome “Tor Vergata”, 00133 Rome, Italy

11. Department of Systems Medicine, University of Rome “Tor Vergata”, 00133 Rome, Italy

12. Emergency Department, IRCCS Fondazione Policlinico San Matteo, 27100 Pavia, Italy

13. Department of Anatomical, Histological, Forensic Medicine and Orthopedics Sciences, “Sapienza” University of Rome, 00185 Rome, Italy

14. Catholic University of Sacred Heart, 00168 Rome, Italy

Abstract

A systematic and narrative literature review was performed, focusing attention on the anatomy of the area located at the junction of the sphenoid and the basal portion of the temporal bone (petrous bone, petrous apex, upper petro-clival region) encircled by the free edge of the tentorium, the insertion of the tentorium itself to the petrous apex and the anterior and posterior clinoid processes that give rise to three distinct dural folds or ligaments: the anterior petroclinoid ligament, the posterior petroclinoid ligament and the interclinoid ligament. These dural folds constitute the posterior portion of the roof of the cavernous sinus denominated “the oculomotor triangle”. The main purpose of this review study was to describe this anatomical region, particularly in the light of the relationships between the anterior margin of the free edge of the tentorium and the above-mentioned components of the sphenoid and petrous bone.

Publisher

MDPI AG

Subject

Clinical Biochemistry

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