Abstract
Medullary sponge kidney: what kind of stones?
Highlights
Medullary sponge kidney (MSK) is a common anomaly in recurrent stone formers who present more severe stone disease than other conditions [1,2,3]
The aim of this work is to provide accurate information regarding composition and morphology of the stones associated with MSK and to compare these data with the ones recorded in common stone disease
The high rate of stone activity in MSK patients may be explained by stasis in tubular ectasias, in addition to metabolic risk factors found as frequently as in other stone patients, mainly hypercalciuria and hypocitraturia, and less frequently hyperoxaluria and hyperuricosuria [2,10,26]
Summary
Medullary sponge kidney (MSK) is a common anomaly in recurrent stone formers who present more severe stone disease than other conditions [1,2,3]. Clinical signs of the disease range from the absence of any kind of stones to multiple and recurrent stones with nephrocalcinosis affecting one or both kidneys. Very few studies have investigated more precisely the stone composition and morphology in MSK patients [13,14,16,17]. The aim of this work is to provide accurate information regarding composition and morphology of the stones associated with MSK and to compare these data with the ones recorded in common stone disease
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