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CHARACTERISTICS OF TUMOR-FEEDING ARTERIES USING COMPUTED TOMOGRAPHY IN PATIENTS WITH RENAL CELL CARCINOMA
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Abstract
Objective: This study aimed to evaluate the characteristics of tumor-feeding arteries system in renal cell carcinoma (RCC) patients using abdominal contrast enhanced computed tomography (CT). Subjects and Research Methods: This was aretrospective study in patients who had RCC confirmation on histology, and also had pre-operative abdominal CT images taken with intravenous contrast using the kidney tumor protocol at Binh Dan Hospital from June 2022 to June 2023. Results: The study population included 125 RCC patients with the mean age of 56,9 ± 12,9 and the male:female ratio was 2:1. Most of the patients were diagnosed with clear cell carcinoma on histology (78,4%). The characteristics of tumor-feeding arteries on CT images were as follow: 4,0% had two main renal arteries; 16,0% had ≥ 1 accessory arteries; 8,8% had early branching of renal arteries and 29,6% had ≥ 2 tumor-feeding arteries. The kidney with RCC had larger arteries than the healthy kidney (p = 0,03).Additionally,the kidney with RCC had a 5,4 times risk of multiple renal arteries than the healthy kidney (p<0,001). Conclusion: The characteristics of tumor-feeding arteries in RCC patients is complex and should be assessed routinely using contrast enhanced abdominal CT as a part of preoperative evaluation
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Keywords
Renal cell carcinoma, tumor-feeding arteries, accessory renal arteries, contrast enhanced computed tomography
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