Mulberry stone

A mulberry stone is one of the types of urinary tract stones. It is formed of calcium oxalate dihydrate. It can be considered as a subset of a jackstone calculus which has a spiked appearance. When the stone has less well-developed spikes, it may appear to have a mamillated appearance, hence it is referred to as mulberry stone. The loose crystalline lattice of calcium oxalate dihydrate allows these stones to be easily fragmented with various forms of lithotripsy, despite their formidable appearance.1

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Article information

rID: 25501
System: Urogenital
Section: Pathology
Synonyms or Alternate Spellings:
  • Mulberry calculus
  • Mulberry stones
  • Mulberry calculi

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