Calculus (medicine) - Types of Lithiasis

Types of Lithiasis

  • Calculi in the renal system (kidneys, ureters, urinary bladder, urethra) can be of any one of several compositions, including mixed. Principal compositions include oxalate and urate.
  • Calculi in the nasal passages (rhinoliths) are rare.
  • Calculi in the gastrointestinal tract (enteroliths) can be enormous. Individual enteroliths weighting many pounds have been reported in horses.
  • Salivary duct calculus
  • Tonsillolith

Calculi usually are asymptomatic, and large calculi may have required many years to grow to their large size.

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