Neuroimaging clinics of North America
-
Neuroimaging Clin. N. Am. · Nov 2015
ReviewThe Skull Base in the Evaluation of Sinonasal Disease: Role of Computed Tomography and MR Imaging.
The median anterior and central skull base forms an interface between the sinonasal and intracranial compartments. Due to the proximity of the intracranial structures, skull base involvement is a key assessment when evaluating the spread of sinonasal disease. This review describes the pertinent anatomy and the role of computed tomography and MR imaging in evaluating the median anterior and central skull base. The imaging appearances of pathologic processes that involve and traverse the skull base between the sinonasal and intracranial compartments are discussed and illustrated.
-
This article reviews a variety of congenital and developmental disorders of the pediatric orbit with particular emphasis on ocular lesions, followed by a description of developmental and neoplastic orbital and ocular masses. The relationship of these diseases to various syndromes and/or known genetic mutations is also highlighted.
-
Eye movement is controlled by ocular motor pathways that encompass supranuclear, nuclear, and infranuclear levels. Lesions affecting certain locations may produce localizing signs that help radiologists focus on specific anatomic regions. ⋯ Some conditions are life threatening and require urgent or emergent imaging. MR imaging is the imaging of choice in evaluation of ocular motor palsy, with magnetic resonance angiography or computed tomography angiography indicated in cases of suspected aneurysms or neurovascular conflicts.