2024年10月4日 · Extra-axial is a descriptive term to denote lesions that are external to the brain parenchyma, in contrast to intra-axial which describes lesions within the brain substance. …

2021年11月23日 · Extra-axial masses of the intracranial compartment have a wide range of differentials, ranging from benign developmental cysts to malignant tumors.

2020年12月12日 · Let’s examine several cases which will demonstrate how to distinguish between the four common types of extra-axial masses in adults using brain computed …

In this pictorial essay, we present a few examples of rare and challenging extra-axial brain lesions from our archive with a brief review of clinico-radiological differential diagnosis, including the …

2024年11月28日 · Meningiomas typically appear as extra-axial masses with a broad dural base. They are usually homogeneous and well-circumscribed, although many variants are …

Many neoplasms that typically affect the brain parenchyma (intra-axial), such as gliomas, may also present with primary or secondary extra-axial involvement. This chapter provides a …

If it is outside the brain or extra-axial, then the lesion is not actually a brain tumor, but derived from the lining of the brain or surrounding structures. Eighty percent of these extra-axial lesions will …

2016年9月8日 · Extra-Axial Masses MENINGIOMA KEY FACTS Most common extra-axial adult tumor; most common intracranial tumors (15% to 20%) in adults. Occurs mainly in middle …

2017年3月13日 · This article reviews the most frequent extra-axial tumors of the central nervous system, from the most common meningioma to some uncommon conditions, like Rosai …

2020年5月28日 · Extra-axial lesions arise from the skull, meninges, or tissues other than the brain parenchyma. Intra-axial lesions are located in the brain. Extra-axial lesions are characterized …