Skull Base Tumors
Advancing Treatment and Innovation in Patient Care
Many types of skull base tumors and conditions are classified by the type of tumor and its location in the skull base. Certain tumors and conditions tend to occur in specific areas of the skull base. The three main regions of the skull base and the tumors and conditions that occur there most commonly are:
Anterior Cranial Fossa
The anterior compartment of the skull base, which contains the eye sockets and sinuses:
- Meningioma
- Olfactory neuroblastoma (esthesioneuroblastoma)
- Paranasal sinus cancer
Middle Cranial Fossa
The central compartment of the skullbase, which contains the Pituitary Gland. The Pituitary Gland is about the size of a pea and is located in the Sella Turcica (saddle-shaped bony structure in the Sphenoid Bone).
Sellar tumors:
- Pituitary adenomas
- Craniopharyngioma
- Rathke’s cleft cyst
Posterior Cranial Fossa
The posterior cranial fossa is the most posterior aspect of the skull base housing the brainstem and cerebellum.
Posterior compartment of the skull base (posterior cranial fossa):
- Acoustic neuroma
- Chondrosarcoma
- Chordoma
- Epidermoid tumor
- Meningioma
Types of Tumors and Conditions:
Skull Base Brain Tumors:
- Acoustic neuroma (vestibular schwannoma)
- Chondroma
- Chondrosarcoma
- Chordoma
- Giant cell tumor
- Hemangiopericytoma
- Meningioma
- Metastatic brain tumors
- Nasopharyngeal angiofibroma
- Neurofibroma
- Olfactory neuroblastoma (esthesioneuroblastoma)
- Osteoma
- Paranasal sinus cancer
- Petrous apex lesions
- Rhabdomyosarcoma
- Skull base sellar lesions
Skull Base Sellar Lesions:
- Adenoma
- Craniopharyngioma
- Rathke’s cleft cyst
- Other Skull Base Conditions
Other Skull Base Conditions:
- Cerebrospinal fluid (CSF) leak
- Encephaloceles
- Fibrous dysplasia
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