Exophytic benign and malignant hepatic tumors: CT imaging features
Hyoung Jung Kim1, Dong Ho Lee, Joo Won Lim
1Department of Radiology, Kyung Hee University Medical Center, Dongdaemun-Gu, Seoul, Korea. radhjkim@khu.ac.kr
Korean Journal of Radiology
|February 7, 2008
Summary
Diagnosing exophytic hepatic tumors can be challenging. Key CT findings like the beak sign and tumor feeding artery aid in identifying these liver tumors, even with uncertain origins.
Area of Science:
- Radiology
- Hepatology
- Oncology
Background:
- Exophytic hepatic tumors present diagnostic challenges due to uncertain origin.
- Distinguishing them from intrahepatic tumors requires careful analysis of imaging features.
Purpose of the Study:
- To describe the computed tomography (CT) features of exophytic hepatic tumors.
- To identify reliable indicators for diagnosing these challenging liver lesions.
Main Methods:
- Review of CT scans of patients with exophytic hepatic tumors.
- Analysis of specific imaging characteristics, including location, the beak sign, and tumor vascularity.
- Utilizing two- and three-dimensional reformation images.
Main Results:
- The beak sign and tumor feeding artery are significant indicators of exophytic hepatic tumors.
- CT features are largely similar to intrahepatic tumors, with location being the primary differentiator.
- Reformation imaging aids in diagnosis.
Conclusions:
- CT imaging, particularly with attention to the beak sign and feeding artery, can effectively diagnose exophytic hepatic tumors.
- Understanding these specific CT features improves diagnostic accuracy for challenging liver lesions.
