Parapelvic cysts, a distinguishing feature of renal Fabry disease

Antonio Pisani, Luigi Petruzzelli Annicchiarico, Angela Pellegrino, Dario Bruzzese, Sandro Feriozzi, Massimo Imbriaco, Enrico Tedeschi, Sirio Cocozza, Dario De Rosa, Renzo Mignani, Massimiliano Veroux, Yuri Battaglia, Daniela Concolino, Simona Sestito, Federico Pieruzzi, Leonardo Caroti, Raffaele Manna, Carmela Zizzo, Michele Santangelo, Massimo SabbatiniEleonora Riccio

Risultato della ricerca: Contributo in rivistaArticolo in rivista

14 Citazioni (Scopus)


Background Fabry's disease (FD) is a rare, multi-organ lysosomal disease, caused by the deficiency of the enzyme α-galactosidase A, and is difficult to diagnose. Although parapelvic cysts (PC) were previously associated with FD, their prevalence and significance are unclear. Methods The present study aimed to: (i) evaluate, by renal ultrasound, the real prevalence of PC and of their determinants in a multicentre, nationwide cohort of FD patients (n = 173, Study 1) and (ii) ascertain whether a greater accuracy of PC detection improved their identification, in FD patients from a single centre (n = 67, Study 2). In both studies, for each FD patient, an age-and renal function-matched subject was selected for comparison (1:1). Results In Study 1, PC were detected in 28.9% of FD subjects and in only 1.1% of control subjects (P < 0.001). The presence of other renal abnormalities did not differ between the groups, nor differences exist in the main demographic and laboratory parameters between the groups. In Study 2, the greater accuracy of ultrasound increased PC prevalence from 29.8% to 43.3% in the same subjects (P < 0.05). In both studies, no correlation was detected between PC and the main demographic, clinical and biochemical parameters, including use of enzyme replacement therapy (P < 0.1, minimum value). Finally, no difference existed between FD patients with and without PC. Conclusions The present study suggests that the presence of PC in renal patients should alert physicians to consider the diagnosis of FD, primarily in subjects with an unclear family history of renal disease and in the presence of other stigmata of the disease.
Lingua originaleEnglish
pagine (da-a)318-323
Numero di pagine6
RivistaNephrology Dialysis Transplantation
Stato di pubblicazionePubblicato - 2018


  • Fabry disease
  • Nephrology
  • Transplantation
  • biomarkers
  • chronic renal failure
  • parapelvic cyst
  • ultrasonography


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