PMC9876816_01
First surgery at our department. Compound renal calyx and abnormal vessels are observed. We coagulated the abnormal vessels.
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Surgical findings showed no obvious hemorrhage points, and compound papillae with abnormal blood vessels were observed. (Fig. 1).
Second surgery at our department. Renal hemangioma was observed at the foot of renal papilla in the middle pole.
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An arterial bleeding point was identified at the foot of the renal papilla of the mesonephric calyx (Fig. 2).
After coagulation of the hemangioma. Active bleeding was not observed despite repeated suppression of renal pelvic reflux pressure.
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Hemangioma coagulation and hemostasis were performed using a monopolar electrocautery, and complete hemostasis was achieved (Fig. 3).