The present recommendation is that the patient be observed for 12–24 h after a native kidney biopsy. 1 This recommendation ... who were biopsied with 14-gauge needles under real-time ultrasound ...

You usually have between 12 and 15 biopsies taken. The whole procedure takes about 20 to 30 minutes. You may have more biopsies if you have a transperineal biopsy under general anaesthetic. Sometimes ...