MR Imaging of the Perihepatic Space

Area of Science:

• Radiology
• Medical Imaging
• Hepatobiliary System

Background:

• The perihepatic space is a common site for various pathologies, including intrahepatic lesions and conditions from adjacent organs.
• Disease dissemination through peritoneal or extraperitoneal pathways can involve the perihepatic space via hepatic ligaments.

Purpose of the Study:

• To outline the assessment of lesion origin in the perihepatic space.
• To describe magnetic resonance imaging (MRI) features of normal and abnormal findings in the perihepatic space.
• To review MRI findings of infectious, tumorous, and miscellaneous conditions affecting the perihepatic space.

Main Methods:

• Review of magnetic resonance imaging (MRI) features.
• Illustration of normal anatomical structures and fluid collections.
• Presentation of pathological conditions in the perihepatic space.

Main Results:

• Detailed description of normal perihepatic structures and abnormal fluid collections on MRI.
• Categorization and illustration of MRI findings for infectious, tumor-related, and miscellaneous perihepatic diseases.
• Demonstration of the utility of MRI in diagnosing perihepatic space pathologies.

Conclusions:

• MRI is a valuable tool for evaluating the perihepatic space and differentiating various pathologies.
• Understanding normal MRI anatomy is crucial for identifying abnormal perihepatic findings.
• MRI offers advantages over computed tomography for assessing perihepatic conditions.