Imaging of parasellar lesions

Area of Science:

• Radiology
• Neuroimaging
• Anatomy

Background:

• The sellar and parasellar region is anatomically complex, housing critical structures like the orbits, cavernous sinus, and Circle of Willis.
• Understanding this region is vital for diagnosing pathologies affecting adjacent neurovascular and endocrine systems.

Purpose of the Study:

• To provide a concise review of parasellar region anatomy and associated clinical symptoms.
• To outline the radiological characterization, primarily using MRI, of lesions impacting sellar and parasellar structures.
• To describe MRI features aiding in the differentiation of less common parasellar lesions.

Main Methods:

• Review of anatomical complexity and clinical presentations of the sellar and parasellar region.
• Analysis of Computed Tomography (CT) and Magnetic Resonance Imaging (MRI) characteristics of lesions.
• Correlation of imaging findings (location, enhancement, cystic components) with clinical data.

Main Results:

• CT and MRI are key modalities for evaluating the sellar and parasellar region.
• Specific imaging features like lesion location, contrast enhancement patterns, and presence of cystic components are crucial for diagnosis.
• Differentiating frequent from rare lesions relies on a combination of imaging characteristics and clinical presentation.

Conclusions:

• Accurate characterization of sellar and parasellar lesions is achievable through detailed analysis of CT and MRI findings.
• This review highlights key imaging features to aid clinicians in diagnosing a spectrum of conditions in this complex anatomical area.
• Integration of radiological and clinical information is essential for effective management of parasellar pathologies.