A case of medullary sponge kidney (Cacchi-Ricci disease) mimicking a renal mass

Giovanni Fellegara, Elisabetta Froio, Tu Vinh Luong, Nicoletta Campanini, Francesco Facchini, Pietro Cortellini, Massimo Melissari

Research output: Contribution to journalArticle


Medullary sponge kidney (MSK) is an uncommon benign congenital disorder, generally asymptomatic patients the diagnosis is usually made by excretory urography performed in the most frequent complications such as renal stones, urinary tract infections and haematuria. Excretory urography can be very characteristic, showing cystic collections of ectatic collecting ducts like "bunches of grapes" or "bouquet of flowers". When haematuria represents the only symptom, and radiographic findings are not characteristic of MSK, the differential diagnosis with a renal tumor can be very difficult. We report a case of MSK that underwent nephrectomy since clinical and radiological features mimicked a renal tumor.

Original languageEnglish
Pages (from-to)202-205
Number of pages4
JournalArchivio Italiano di Urologia e Andrologia
Issue number4
Publication statusPublished - Dec 2005



  • Cacchi-Ricci disease
  • Medullary sponge kidney
  • Tubular ectasia

ASJC Scopus subject areas

  • Nephrology
  • Urology

Cite this

Fellegara, G., Froio, E., Luong, T. V., Campanini, N., Facchini, F., Cortellini, P., & Melissari, M. (2005). A case of medullary sponge kidney (Cacchi-Ricci disease) mimicking a renal mass. Archivio Italiano di Urologia e Andrologia, 77(4), 202-205.