magnesium ammonium phosphate stone
magnesium ammonium phosphate stone
A type of kidney stone, which is more common in women, linked to urinary tract infections (e.g., by Proteus spp) that produce specific enzymes. MAPSs can become very large, fill the renal pelvis, develop a staghorn appearance, obstruct the urinary tract and cause kidney damage.Specimen
Stones obtained surgically or after being “passed” in the urine.
Method
Light microscopy, optical crystallography, IR spectroscopy, X-ray diffraction.
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magnesium ammonium phosphate stone
Struvite stone A type of stone more common in ♀, linked to UTIs–eg, by Proteus spp, which produce specific enzymes; MAPSs can become very large, fill the renal pelvis, develop a staghorn appearance, obstruct the urinary tract and cause kidney damageMcGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.