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Cranial Bones: Superior and Posterior View

Cranial Bones: Superior and Posterior View

The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...

Cranial and Spinal Meninges

Cranial and Spinal Meninges

The cranial and spinal meninges are complex protective structures surrounding the central nervous system (CNS), consisting of the brain and spinal cord. These meninges consist of the dura mater, the arachnoid mater, and the pia mater. They protect the CNS, provide structural support, and aid in circulating cerebrospinal fluid (CSF).
Cranial Meninges
These meningeal layers cover the cranium. The dura mater is the outermost layer of cranial meninges. It is a thick and durable membrane of dense...

Overview of the Skull

Overview of the Skull

The cranium (skull) is the skeletal structure of the head that supports the face and protects the brain. It is subdivided into the facial bones and the brain case, or cranial vault. The facial bones underlie the facial structures, form the nasal cavity, enclose the eyeballs, and support the teeth of the upper and lower jaws.
The cranial vault surrounds and protects the brain and houses the middle and inner ear structures. This cavity is bounded superiorly by the rounded top of the skull, which...

Sutures of the Skull

Sutures of the Skull

The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...

Cranial Bones: Lateral View

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The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...

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Related Experiment Video

Updated: Jul 23, 2025

Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery

Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery

Published on: July 5, 2021

Skull Base Meningiomas.

Manfred Westphal¹, Andrea Saladino², Marcos Tatagiba³

¹Department of Neurological Surgery, UK Eppendorf, Hamburg, Germany. westphal@uke.de.

Advances in Experimental Medicine and Biology

|July 11, 2023

Summary

This summary is machine-generated.

Skull base meningiomas are challenging due to deep location and proximity to vital structures. Surgical resection, despite technical difficulties, remains the primary treatment, requiring specialized skull base approaches.

Keywords:

Anterior fossa Cavernous sinus Petroclival Posterior fossa Skull base Sphenoid wing Tuberculum sellae

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Area of Science:

Neurosurgery
Oncology

Background:

Skull base meningiomas present significant clinical challenges due to their deep anatomical location.
These tumors often encase critical neurovascular structures, including arteries, cranial nerves, veins, and venous sinuses.
Large tumor size at diagnosis further complicates management.

Purpose of the Study:

To review common anatomical origins of skull base meningiomas.
To discuss optimal surgical approaches for meningiomas in various skull base locations.
To cover evolving multimodal treatment strategies for these challenging tumors.

Main Methods:

Review of surgical techniques for skull base meningioma resection.
Discussion of anatomical considerations for different tumor locations.
Integration of radiotherapy and other treatment modalities.

Main Results:

Surgical resection is the mainstay treatment for skull base meningiomas.
Expertise in specialized skull base approaches is crucial for successful resection.
Minimizing brain retraction and preserving neurovascular structures are key surgical principles.

Conclusions:

Skull base meningiomas require specialized surgical expertise and tailored approaches.
Multimodal treatment strategies, including advanced radiotherapy, complement surgical resection.
Understanding tumor origin and anatomical relationships guides optimal management.