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Summary
Liver arteriovenous shunting is rare, often linked to trauma or tumors. This review expands the differential diagnosis to include congenital malformations, cirrhosis, abscesses, and other hypervascular liver lesions.
Area of Science:
- Radiology
- Vascular Medicine
- Hepatology
Background:
- Arteriovenous shunting in the liver is an uncommon angiographic observation.
- Literature primarily associates this finding with trauma or neoplasms.
Purpose of the Study:
- To broaden the differential diagnosis for hepatic arteriovenous shunting.
- To highlight less common causes beyond trauma and neoplasm.
Main Methods:
- Literature review of arteriovenous shunting in the liver.
- Analysis of reported cases and associated pathologies.
Main Results:
- Identified key differential diagnoses including congenital arteriovenous malformations/hemangiomas (liver/pancreas).
- Highlighted other considerations: cirrhosis with rearterialization, hepatic abscess, hypervascular liver metastases, and primary tumors invading vascular structures.
Conclusions:
- Hepatic arteriovenous shunting necessitates a comprehensive differential diagnosis.
- Consideration of congenital anomalies, inflammatory conditions, and advanced malignancies is crucial for accurate diagnosis.