摘要：To provide theoretical guidance for interventional therapy, the origin of extrarenal arterial blood supply for renal malignancy was investigated. Routine abdominal aortography and selective arteriography were performed in 141 patients with renal malignancy. The characteristics and origins of extrarenal arterial blood supply for renal malignancy were analyzed. Among the 141 patients, extrarenal arterial blood supply for renal malignancy was observed in 51 patients and 87 extrarenal arterial vessels in total were identified. The emergence of extrarenal arterial blood supply for renal malignancy was correlated with the penetration of the renal capsule by the tumor. The origin of extrarenal arterial blood supply was correlated with the location of the malignant lesions. It is important to determine and embolize extrarenal arterial vessels for renal malignancy, which can provide theoretical guidance for interventional therapy in clinical practice.
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