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Background. Given the public health challenge and burden of chronic kidney disease, the Italian Society ofNephrology (SIN) has compiled a national census of Renal Units (RU) existing in the twenty Italian regions related to the year 2004. Methods. An on-line questionnaire including 158 items explored structural and human resources, organization aspects, activities and epidemiological data in SIN, 2004. Results. The census identified 363 public RU, 303 satellite Dialysis Centres (DC) and 295 private DC totalling 961 DC [16.4 per million population (pmp)]. The inpatient renal beds were 2742 (47 pmp). Renal and dialysis activity was performed by 3728 physicians (64 pmp), of whom 2964 (80%) were nephrologists. There was no permanent medical assistance in 41% of satellite DC. There were 1802 renal admissions pmp and 99 renal biopsies pmp. The management of acute renal failure (13 456 cases; 230 pmp) represented a relevant proportion of the activities conducted in public RU. In 2004 there were 9858 new cases of end-stage kidney disease requiring renal replacement therapy (RRT) (169 pmp). On 31 December 2004, 60 058 patients were on RRT (1027 pmp), 43 293 of which (740 pmp) were on dialysis and 16 765 (287 pmp) with renal graft. Conclusions. This census of the Italian RU and DC in 2004 provides decision makers and healthcare stakeholders with detailed data for benchmarking and has financial implications for the public health system. Similar analyses may be conducted in other countries permitting standardization of medical and cost-related aspects of renal care.

The authors report one case of cauda equina paraganglioma and review the neurosurgical, radiological and pathological literatureon this rare tumour. Although it is difficult to distinguish preoperatively the paraganglioma from other tumours of the cauda equina, like neurinoma or ependymoma, this neuroendocrine tumour should be included in differential diagnosis.