2NOOR B N P. Colon perforation after percutaneous nephrolithottomy revisited[J]. Urologia Internationalis, 2004, 72(1): 88-90. H.
3HOPPER K D, SHERMAN J L, LUETHKE J M, et al. The retrorenal colon in the supine and prone patient[J]. Radiology, 1987, 162 (2) : 443-446.
4TUTTLE DN, YEH B M, MENG M V, et al. Risk of injury to adjacent organs with lower-pole fluoroscopically guided percutaneous nephrostomy: evaluation with prone, supine, and multiplanar reformatted CT[J]. Vasc Interv Radiol, 2005, 16(11): 1489-1492.
