Publications by authors named "Andreas Karagiannis"

Background: Tenosynovial giant-cell tumor (GCT) arising from cruciate ligaments consists a rather rare entity. Predominantly areas where this tumor appears are the palmar sides of fingers and toes. The involvement of larger joints such as the knee or the ankle is rather rare, but, in the case of synovial joints, the knee joint is particularly affected.

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Purpose: The present study aimed to translate the Targeting the individual's Aetiology of Nocturia to Guide Outcomes Questionnaire (TANGO) into the Greek language to create TANGO-Gr. A relative reliability study in prospective samples of community dwellers and rehabilitation centre residents was undertaken in order to validate the translation. In terms of nocturia severity, these groups were considered to be representative of patients at both ends of the scale, and therefore suitable validation purposes.

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Fluoroscopy is increasingly used to guide minimally invasive endourological procedures and optimised protocols are needed to minimise radiation exposure while achieving best treatment results. This multi-center study of radiation exposure of patients was conducted by the South-Eastern European Group for Urolithiasis Research (SEGUR), in cooperation with the International Atomic Energy Agency. Seven clinical centers from the SEGUR group collected data for 325 procedures performed within a three-months period, including standard percutaneous nephrolithotomy (PCNL), mini PCNL, retrograde intrarenal surgery (RIRS), semirigid ureterorenoscopy (URS) and flexible URS.

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Fluoroscopy-guided endourology procedures require proper radiation protection to minimize radiation risk. This multicenter study aimed at investigating radiation protection practice and related radiation exposure of operating team members. Six endourology centers from the South-Eastern European Group for Urolithiasis Research answered questionnaires and collected data of 315 procedures performed within a 3-months period, with simultaneous measurement of dose to staff and dose area product (DAP) to patient.

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The therapeutic range of cyclic nucleotide phosphodiesterase 5 inhibitors (PDE5) inhibitors is getting wider in the last years. This review study focuses on the potential employment of PDE5 inhibitors as an adjunct tool for the therapeutic management of male infertility. The literature tends to suggest a beneficial effect of PDE5 inhibitors on Leydig and Sertoli cells secretory function.

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Purpose Of Review: Although still considered experimental, focal irreversible electroporation (IRE) as a primary treatment for prostate cancer (PCa) is considered one of the most promising ablative technologies for focal therapy. This review provides a description of the principle of IRE for the treatment of PCa, combined with an overview of the recent research.

Recent Findings: It has been almost a decade since the first human studies of focal IRE for PCa were trying to demonstrate its feasibility and safety, and recently new data are emerging regarding the functional and oncological outcomes.

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Objective: To report the first prospective comparative analysis of robot-assisted (RASP) vs open simple prostatectomy (OSP) for large prostate glands.

Materials And Methods: We prospectively analysed 41 patients who underwent surgery for benign prostatic hyperplasia between 2014 and 2017 at one of two university institutions. Patients were grouped according to the procedure (OSP or RASP) and matched in terms of age, prostate volume, body mass index and prostate-specific antigen level.

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Objective: To investigate some epidemiological aspects of kidney stones in the South- Eastern European area.

Materials And Methods: From September 2015 to December 2015, 538 consecutive patients were treated and evaluated for reno-ureteral stones in eight departments in Bulgaria, Greece, Italy, FYR Macedonia, Romania, Serbia and Turkey.

Results: The age of onset was lower in Turkey and higher in Italy.

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Introduction: Data from animal, clinical and prevention studies support the role of androgens in prostate cancer growth, proliferation and progression. Results of serum based epidemiologic studies in humans, however, have been inconclusive. The present study aims to define whether serum testosterone can be used as a predictor of a posi¬tive second biopsy in males considered for re-biopsy.

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