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[Renal cystic mass: the diagnostic dilemma]
A Albisu Tristán1, F Vesga Molina, R Llarena Ibarguren
1Servicio de Urología, Hospital de Cruces, Baracaldo, Vizcaya, España.
Objective:
To determine the best diagnostic approach and management of cystic renal mass.
Methods:
Four cases are described and the literature reviewed.
Results:
Of the 4 cases of cystic renal mass, 2 had a previous history of renal trauma. Puncture and aspiration of the cystic content were performed in three cases; cytology was positive for malignancy in one, which was confirmed by the histologic analysis. Two cases underwent nephrectomy although one of the post-traumatic cases had a preoperative diagnosis of pararenal pseudocyst. The literature review showed a significant controversy exists concerning the diagnostic approach and treatment.
Conclusions:
We advocate an approach free from tenets, where all the appropriately chosen diagnostic tools may be valid. If doubts persist after diagnostic evaluation, nephrectomy should be performed.