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lithiasis Syllabification: li·thi·a·sis
Pronunciation: /ləˈTHīəsəs/

Definition of lithiasis in English:


The formation of stony concretions (calculi) in the body, most often in the gallbladder or urinary system.
Example sentences
  • A 58 year old man with a clinical history of diabetes mellitus and left renal lithiasis presented with a left inguinal mass.
  • The patient described in this report had every major complication of Caroli disease, including recurrent cholangitis, liver abscess, biliary lithiasis, and cholangiocarcinoma.
  • Using the helical CT scan as the standard, the authors calculated the sensitivity, specificity, positive and negative predictive values and accuracy of microscopic- or dipstick-positive hematuria with regard to renal lithiasis.


Mid 17th century: from medieval Latin, based on Greek lithos 'stone'.

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