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Acute renal failure is one of the most important complications of the vascular and radiological procedures. An increasing number of the patients undergoing contrast based procedures, advanced and increasing age of the population as well as presence of diabetes and common use of the radiological procedures in many medicine disciplines implicates the need of the pre- and postprocedure control of the renal function. The literature described rate of the acute renal failure related to the contrast administration ranges from 1-13% depending on the treated population. In the paper the literature review concerning the risk of renal failure as well as its protection possibilities in the patients undergoing vascular contrast based procedures are presented. The review was supported by own authors observations. The risk assessment as well as renal failure complication prevention after vascular procedures should be an integral element of the qualification as well as perioperative management. [ABSTRACT FROM AUTHOR]

Granular cell tumour (GCT), first described by Abrikosoff typically develops as a benign lesion of yet unclear histogenesis. It occurs rarely, mostly in adults, and is localised on the lateral aspect of the tongue, lips, gingiva, buccal mucosa, and in the pharynx and oesophagus. GCT tends to be a small, smooth, painless, elastic-firm mass which arises slowly and asymptomatically. Diagnosis is established based on histopathological examination. The present paper comprises a review of the literature on the subject and a brief report on four cases of lingual GCT. [ABSTRACT FROM AUTHOR]