Fig. 4From: Antenatal and postnatal management of posterior urethral valves: where do we stand?Endoscopic appearance of type I PUV (a). Valve ablation using cold knife at 5 (b), 7 (c) and 12 o’clock (d). Hook diathermy electrode ablation of PUV at 5 (e) and 12 o’clock (f). Valve ablation using hot loop resectoscope (g) and bugbee electrode (h). After valve ablation at 12 and 5 o’clockBack to article page