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Fırat Tıp Dergisi
2007, Cilt 12, Sayı 3, Sayfa(lar) 173-176
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The Diagnostic Role of Dynamic Triphasic Spiral Computed Tomography in Liver Metastases
Atilla ARSLANOĞLU1, Sebahattin SARI2
1Asker Hastanesi Radyoloji Kliniği, VAN
2Asker Hastanesi Radyoloji Kliniği, ELAZIĞ

Objectives: To evaluate the role of dynamic Triphasic Spiral Computed Tomography in liver metastases

Material and Methods: Total 50 patients with focal liver lesions were evaluated with dynamic spiral CT. Liver was scanned three times in arterial, portal and equilibrium phases in order to determine enhancement patterns of the lesions. Hence, enhancement patterns of metastases and hemangiomas were evaluated separately.

Results: We detected uniformly hypodense or peripherally enhanced hypodense appearances at arterial and portal phases in 96.6% of metastatic cases. While same pattern was observed in arterial and portal phases of 93.7% of hemangiomas, delayed phases revealed totally hyperdense or isodense appearance with central opacification. Hypervascular metastasis of pancreatic islet cell carcinoma, known as a hypervascular tumor itself, were visualized only in the arterial phase as hyperdens foci.

Conclusion: Triphasic dynamic spiral CT is decided to be a useful technique in patients with focal liver lesions, since it provides valuable information about the nature and differentiation of focal liver lesions as well as their relations with the neighboring vascular structures. ©2007, Firat University, Medical Faculty


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