Heaviest kidney stone

Heaviest kidney stone
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Who
Canistus Coonghe
What
800 gram(s)
Where
Sri Lanka (Colombo)
When
01 June 2023

The heaviest kidney stone is 800 g (1.76 lb), and was removed from Canistus Coonghe (Sri Lanka) in Colombo, Sri Lanka, on 1 June 2023.

The previous record of 620 g (1.36 lb) had not been surpassed since 2008. The kidney stone was also awarded a record as the largest kidney stone at 13.372 cm (5.264 in).