Related Experiment Video
Updated: Mar 21, 2026

Application of the En Bloc Concept Combined with Anatomic Resection in Laparoscopic Hepatectomy
Published on: March 10, 2023
[Contrast-enhanced computed tomography is the required minimum in the diagnosis of abdominal and retroperitoneal
Objective:
to determine the advantages of contrast-enhanced computed tomography (CT) over contrast-free studies in the differential diagnosis of hepatic, renal, and pancreatic space-occupying lesions. MATERIAL AND METHODS. A team of experienced radiologists retrospectively used CT data of patients with different space-occupying lesions of the abdomen and retroperitoneal space (liver, kidney, and pancreas).
Results:
The diagnostic value of CT of the liver, kidney, and pancreas substantially decreases without using radiopaque contrast agents; at the same time not only the differential diagnosis, but also visualization of some neoplasms are frequently impossible.
Conclusion:
The potential benefit of contrast-enhanced CT virtually always outweighs the risks associated with the injection of a contrast agent.
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