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Meningioma and Other Meningeal Tumors
MeningiomasMeningiomas develop from meningothelialMeningothelial cells and approximately account for more than 30 percent of central nervous...
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Primary CNS Melanocytic Neoplasms
Primary melanocytic neoplasms of the CNS are a group of related neoplasms of variable aggressiveness which are thought to arise from leptomeningeal...
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Optic Nerve Neoplasm
This chapter will summarize different primary optic nerve neoplasms with the main focus on the more commonly encountered optic glioma and optic nerve...
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Brain Neoplasm
Treatment section: Radiation therapy is an important component of definitive or adjuvant therapy for both malignant and benign brain tumors. In this...
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Benign Tumors/Premalignant Conditions
Adamantinoma is a locally aggressive low-grade bone tumor that is histologically similar to ameloblastoma (sometimes also called “jaw adamantinoma”)...
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Endoscopic Management of Ethmoidal Schwannoma: A Case Report
Schwannomas of sinonasal origin are rare tumours with an incidence as low as 4% and may present with a wide range of clinical features. Due to...
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Neoplasms and tumor-like lesions of the sellar region: imaging findings with correlation to pathology and 2021 WHO classification
The sellar region represents a complex anatomical area, composed of multiple structures of different embryological derivation, including the skull...
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Intracranial Dural Arteriovenous Fistula
Intracranial dural arteriovenous fistulae (dAVFs) are vascular lesions resulting from an abnormal anastomotic connection between meningeal arteries...
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Tumors of the Optic Nerve and Its Sheath
The tumors of the optic nerve may arise from the nerve itself or from its sheath. Benign gliomas and meningiomas are the most frequent types, whereas...
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Tumors of the Sellar Region
Despite its reduced dimensions, the sellar region is a complex crossroad where a diversity of skeletal, meningeal, vascular, endocrine, and cerebral...
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Histiocytic Tumors of the CNS
Histiocytic tumors of the CNS may occur as solitary or multifocal lesions in intraparenchymal and meningeal locations, with or without systemic...
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Ominous Causes of Headache
Purpose of ReviewWhile primary headaches like migraines or cluster headaches are prevalent and often debilitating, it's the secondary headaches—those...
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General Overview
This chapter provides an overview of brain tumor epidemiology, clinical presentation, and classification. According to the Central Brain Tumor...
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Salivary Glands
The most morphologically and clinically varied solid epithelial tumours are salivary gland neoplasms. The current World Health Organization (WHO)...
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High Yield Facts on CNS Tumors
This chapter is a concise compilation of 200 high-yield facts focusing on CNS tumors. Covering a spectrum of topics, it addresses key aspects such as...
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Intramedullary spinal cord tumors in pediatric patients presenting later with brain lesions: case series and systematic review of the literature
PurposeIntramedullary spinal cord tumors are an uncommon pathology in adults and children. Most descriptive studies of intramedullary spinal cord...
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Brain and Cerebrospinal Fluid
In this chapter cytologic features of brain tissue and cerebrospinal fluid (CSF) in normal and non-neoplastic conditions are described,...
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Mesenchymal, Non-meningothelial Tumors
CNS non-meningothelial mesenchymal tumors arise from craniospinal meninges, supporting tissues, vasculature or surrounding osseous structures,...
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Cranial and Paraspinal Nerve Tumors. Meningiomas
This chapter discusses the two large groups of extra-axial tumors located intracranially but outside the brain. Tumors of the cranial and spinal...