Staghorn calculi (coral calculi)

Case contributed by Dr Nikos Karapasias

Presentation

Hematuria and recurrent urinary infections

Patient Data

Age: Adult
Gender: Female

The renal calculus fills and conforms to the left renal calices, resembling the horns of a deer (staghorn calculus).

Case Discussion

Staghorn calculi (also sometimes called coral calculi) obtain their characteristic shape by forming a cast of the renal pelvis and calyces, thus resembling the horns of a stag.

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