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. 1998 Mar;51(2):160-2.

[Lithiasis in megacalyosis]

[Article in Spanish]
F Monreal García De Vicuña  1 , J García Penit, L Miniño Pimentel, A Rousaud Barón, J V Rodríguez
Affiliations
  • PMID: 9586314

[Lithiasis in megacalyosis]

[Article in Spanish]
F Monreal García De Vicuña et al. Arch Esp Urol. 1998 Mar.

Abstract

Objective: To review our series of lithiasis associated with megacalyosis, a rare disease entity.

Methods/results: The clinical records of patients treated from 1976 to 1994 were reviewed. Of 39 cases of megacalyosis, 27 were associated with lithiasis and was slightly more prevalent in males (59.3%). Struvite and whewelite calculi were more prevalent and 40.7% also had urinary tract infection, E. coli, Pseudomonas and Proteus being the most frequent pathogens. ESWL with hyperhydration was the most frequently utilized treatment.

Conclusions: Megacalyosis is an embryogenic anomaly of Malpighi's pyramids that is associated with lithiasis in 69.2% of our series, frequently localized to the left side. We have found no significant difference according to sex or a hereditary component. IVP is the principal diagnostic method for megacalyosis. The frequent association of urinary tract infection should be taken into account when instituting treatment.

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