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MINERVA UROLOGICA E NEFROLOGICA

A Journal on Nephrology and Urology


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Minerva Urologica e Nefrologica 2018 April;70(2):179-92

DOI: 10.23736/S0393-2249.17.02985-X

Copyright © 2017 EDIZIONI MINERVA MEDICA

language: English

Non-conservative management of simple renal cysts in adults: a comprehensive review of literature

Ahmed EISSA 1, 2, Ahmed EL SHERBINY 1, 2, Eugenio MARTORANA 2, Giacomo M. PIROLA 2, Stefano PULIATTI 2, Michele SCIALPI 3, Salvatore MICALI 2, Bernardo ROCCO 2 , Evangelos LIATSIKOS 4, Alberto BREDA 5, Francesco PORPIGLIA 6, Giampaolo BIANCHI 2, on behalf of European Section of Uro-Technology (ESUT)

1 Department of Urology, Faculty of Medicine, Tanta University, Tanta, Egypt; 2 Department of Urology, University of Modena and Reggio Emilia, Modena, Italy; 3 Division of Radiology 2, Department of Surgical and Biomedical Sciences, Perugia University, Perugia, Italy; 4 Department of Urology, University of Patras, Patras, Greece; 5 Department of Urology, Puigvert Foundation, Autonoma University of Barcelona, Barcelona, Spain; 6 Division of Urology, Department of Oncology, San Luigi Gonzaga Hospital, University of Turin, Turin, Italy


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INTRODUCTION: Renal cysts are common findings in nearly 10% of general population. According to Bosniak classification, they are classified into simple and complex renal cysts based on their CT characteristics. The majority of simple renal cysts are asymptomatic and require no intervention. Once they become symptomatic or complicated, a non-conservative management should be considered.
EVIDENCE ACQUISITION: This paper is a narrative review of existing manuscripts regarding the non-conservative management of renal cysts. To perform it a search through PubMed was carried out in January 2017. The search was conducted using the following key words: “simple renal cysts,” “non-conservative management,” “treatment outcomes comparison” etc.
EVIDENCE SYNTHESIS: We found 1880 publications that were reviewed by 2 of our authors, and only 46 manuscripts were considered for this review. The most common treatment were investigated and compared to understand the best treatment modality in accordance with patients’ and cysts’ characteristics. Different treatment modalities are available for the management of simple renal cysts. Surgical exploration is a historical procedure that is no longer used. Simple aspiration without sclerotherapy has high recurrence rate (20-80%), so sclerosants agents are recommended. Ethanol is the most commonly used sclerosing agent with high efficacy up to 97%. Laparoscopy is the gold standard for management in large cysts especially in younger patients. Other techniques are described for parapelvic renal cysts like percutaneous endoscopic ablation and ureteroscopic marsupialization.
CONCLUSIONS: Different factors affect the treatment decision including natural history of the cyst, presence of symptoms and/or complications and patients’ choice. This literature overview shows that ethanol percutaneous sclerotherapy and laparoscopy are the most commonly reported treatment modality for simple renal cysts.


KEY WORDS: Cysts - Kidney - Therapeutics - Comparative study

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Publication History

Issue published online: March 29, 2018
Manuscript accepted: October 25, 2017
Manuscript revised: September 22, 2017
Manuscript received: June 8, 2017

Cite this article as

Eissa A, El Sherbiny A, Martorana E, Pirola GM, Puliatti S, Scialpi M, et al.; European Section of Uro-Technology (ESUT). Non-conservative management of simple renal cysts in adults: a comprehensive review of literature. Minerva Urol Nefrol 2018;70:179-92. DOI: 10.23736/S0393-2249.17.02985-X

European Section of Uro-Technology (ESUT)

Corresponding author e-mail

Bernardo.rocco@gmail.com