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CT angiography in hepatocellular carcinoma
Journal of Computer Assisted Tomography
|October 1, 1983
Summary
Computed tomographic angiography (CTA) effectively evaluates hepatocellular carcinoma (HCC), classifying tumors and detecting small metastases. This imaging is valuable for treatment planning before surgery or embolization.
Area of Science:
- Radiology
- Oncology
- Hepatobiliary Imaging
Background:
- Hepatocellular carcinoma (HCC) is a primary malignant tumor of the liver.
- Accurate pre-treatment evaluation is crucial for effective HCC management.
Purpose of the Study:
- To assess the diagnostic utility of computed tomographic angiography (CTA) for hepatocellular carcinoma.
- To evaluate CTA's role in classifying HCC and detecting intrahepatic lesions.
Main Methods:
- CTA was performed in 32 HCC cases with contrast infusion into hepatic and superior mesenteric arteries.
- Computed tomography imaging was acquired during both arterial and portal phases.
Main Results:
- CTA classified HCC into four types, with 87.5% exhibiting characteristic findings.
- CT portography demonstrated high efficiency in detecting tumors, including small intrahepatic metastases.
- Portal vein infiltration was effectively identified using CTA.
Conclusions:
- CTA is a useful imaging modality for evaluating hepatocellular carcinoma.
- CTA aids in pre-operative assessment for hepatic lobectomy and arterial embolization therapies.