Renal obstruction from persistent struvite stone matrix: a complication of extracorporeal shock wave lithotripsy.

Abstract	Struvite calculi occurring in patients with chronic urinary tract infections consist of an inorganic component of magnesium ammonium phosphate crystals and an underlying organic mucopolysaccharide matrix. Shock waves used to destroy these stones during extracorporeal shock wave lithotripsy (ESWL) therapy may affect the inorganic and organic components of the stone differently. In a 26-year-old woman, renal obstruction resulted from retained struvite stone matrix after ESWL therapy.
Authors	J M LaBerge, C D Sheff
Journal	Radiology (Radiology) Vol. 163 Issue 2 Pg. 535-6 (May 1987) ISSN: 0033-8419 [Print] United States
PMID	3562838 (Publication Type: Case Reports, Journal Article)
Chemical References	Magnesium Compounds Phosphates Struvite Magnesium
Topics	Adult Female Humans Kidney Calculi (therapy) Lithotripsy (adverse effects) Magnesium Magnesium Compounds Nephrostomy, Percutaneous Phosphates Struvite Suction Ureteral Obstruction (etiology)

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