1) “The birth, acme and decline of retrograde pyelography in the evaluation of urologic disorders.” A. Kostakopoulos, E. Liapi, V. Protogerou, J. Laskaratos, D. Kelekis. 2nd International Congress on the History of Urology. 18-20/5/2001
2) “Unknown methods of uncircumcision according to Oribasius (4th Century A.D.)” J. Laskaratos, A. Kostakopoulos, E. Liapi, V. Protogerou. 2nd International Congress on the History of Urology. 18-20/5/2001
3) “Treatment of haematuria after the application of intravesical infusion of BCG with intravesical administration with GMCSF”. A. Kostakopoulos, V. Protogerou, V. Argiropoulos, C. Christoforidis. 7nth Congress of the Mediterranean Urological Association, Marrakech-Morocco, September 3-6, 2001
4) “Urolithiasis on the Byzantine throne” S. Albanis, A. Kostakopoulos, J. Laskaratos, G. Athanassopoulos, V. Protogerou. 7nth Congress of the Mediterranean Urological Association, Marrakech-Morocco, September 3-6, 2001
5) “Sperm disorders according to the Byzantine medical writers (4th-11th Century)”. V. Argiropoulos, J. Laskaratos, V. Protogerou, N. Bafaloukas, A. Kostakopoulos. 7nth Congress of the Mediterranean Urological Association, Marrakech-Morocco, September 3-6, 2001
6) “Retained calculi and complications of extracorporeal shock wave lithotripsy: Evaluation with helical computed tomography.” G. Malahias, P. Antonopoulos, I. Anastopoulos, A. Alexopoulos, V. Protogerou, A. Kostakopoulos. The 8th European Symposium on Urogenital Radiology. 13-16 September, Rotterdam, The Netherlands.
7) “Causes of subfertility according to Byzantine physicians”. V. Protogerou, J. Laskaratos, E. Liapi, A. Kostakopoulos. 2nd International Congress on Surgical Andrology and Sexual Surgery. 14-16 June 2002.
8) “Factors influencing semen improvement and fertility after high ligation of internal spermatic vein”. V. Protogerou, G. Louras, A. Skolarikos, C. Dimopoulos. 2nd International Congress on Surgical Andrology and Sexual Surgery. 14-16 June 2002
9) “Disorders of Erectile Function according to Byzantine physicians”. J. Laskaratos, V. Protogerou, E. Liapi, V. Kostakopoulos. 2nd International Congress on Surgical Andrology and Sexual Surgery. 14-16 June 2002
10) “The use of Nesbit operation for correcting the curvature of the penis in Peyronie’s disease”. V. Protogerou, P. Tekerlekis, V. Argyropoulos, A. Kostakopoulos. 2nd International Congress on Surgical Andrology and Sexual Surgery. 14-16 June 2002
11) “Safety and Efficacy of the Combination Intravesical Instillations, of Interferon Alpha-2b and Mitoxantrone, for the treatment of Superficial Bladder Cancer”. Kostakopoulos A., Protogerou V, Argyropoulos V., Tzelepis V., Velmachos J. 26th Congress of the Societe Internationale d’ Urologie. Stockholm, Sweden, 8-12/9/2002.
12) “The use of helical computer tomography for the detection of urolithiasis or other causes of renal colics.” A. Kostakopoulos, P. Antonopoulos, V. Argyropoulos, V. Protogerou. 26th Congress of the Societe Internationale d’Urologie. Stockholm, Sweden, 8-12/9/2002
13) “Investigation of Arterial Blood Pressure Changes after Extracorporeal Shock Wave Lithotripsy by the use for the first time of Ambulatory Blood Pressure Monitoring”. V. Protogerou, A. Protogerou, V. Kotsis, N. Zakopoulos, Ch. Deliveliotis, A. Kostakopoulos. 20th World Congress on Endourology & Shock Wave. Genoa, Italy, 19-22/ 9/ 2002
14) “SWL for kidney stones decreases blood pressure compared to ureteral stones”. Protogerou V, Tzelepis V, Dellis A, Velmachos J, Mpogris S, Liakouras C, Kostakopoulos A. 8th Mediterranean Congress of Urology. Herakleion, September 1-14, 2003.
15) “Management of impacted ureteral stones”. Protogerou V, Ferakis N, Mpafaloukas N, Dellis A, Chrisofos M, Deliveliotis Ch, Kastriotis J. 8th Mediterranean Congress of Urology. Herakleion, September 1-14, 2003.
16) “Proximal ureteral stones: success rates and financial cost of treatment with ESWL in situ or after manipulation”. Protogerou V, Sofras F, Varkarakis J, Liakouras C, Staios D, Mpogris S, Chrisofos M, Deliveliotis Ch. 8th Mediterranean Congress of Urology. Herakleion, September 1-14, 2003.
17) “Prostate operation and ageing process: long term effects on sexual and urinary function and quality of life”. Liakouras C, Protogerou V, Tzelepis V, Staios D, Sopilidis O, Velmachos J, Chrisofos M, Deliveliotis Ch. 8th Mediterranean Congress of Urology. Herakleion, September 1-14, 2003.
18) “Modified ileal neobladder for continent urinary diversion: functional results after 9 years of follow up”. Skolarikos A, Deliveliotis Ch, Alargof E, Ferakis N, Protogerou V, Dimopoulos C. 8th Mediterranean Congress of Urology. Herakleion, September 1-14, 2003.
19) “Histological changes in ileal neobladder and ileal conduit mucosa: 4-years follow up”. Dellis A, Protogerou V, Ferakis N, Mpafaloukas N, Sopilidis O, Mpogris S, Demonakou M, Chrisofos M, Deliveliotis Ch. 8th Mediterranean Congress of Urology. Herakleion, September 1-14, 2003.
20) “Risk factors and incidence of vesicourethral anastomotic strictures after radical retropubic prostatectomy”. Protogerou V, Ferakis N, Mpafaloukas N, Sopilidis O, Dellis A, Staios D, Kostakopoulos A. 8th Mediterranean Congress of Urology. Herakleion, September 1-14, 2003.
21) “Colonoscopy effects on serum prostate specific antigen levels. A. Kostakopoulos, V. Protogerou, A. Dellis, A. Economou, C. Barbatzas. SIU International Congress on Urooncology, Sharm El Sheikh, Egypt, 19-23/10/2003.
22) “Modified S-pouch neobladder versus ileal conduit and a matched control population: a quality of life survey”. V. Protogerou, S. Albanis, A. Dellis, C. Liakouras, M. Moschou, N. Antoniou, Ch. Deliveliotis. Annual Meeting AUA, 8-13/5/2004, San Francisco, USA.
23) “Augmentation Phalloplasty”. Protogerou V(1), Tekerlekis P(1), Dretas P(2), Metallinos I(3), Anagnostopoulou S(4), Kostakopoulos A (1), Konstantinidis K(2).(1). Iaso General Hospital, (2). Andrology Institute, (3). Thriasio General Hospital, (4). Department of Anatomy, Athens Medical School, Athens University. 16th Video Urology World Congress, Athens 23-25/6/2005.
24) “The use of InVance male sling for the treatment of stress incontinence”. Protogerou V., Tekerlekis P., Argiropoulos V, Kyriakopoulos A., Kostakopoulos A. Iaso General Hospital. 16th Video Urology World Congress, Athens 23-25/6/2005.
25) “V.I.P. (Vescica Ileala Padovana).A technique for neobladder formation following radical cystectomy.” Tekerlekis P, Protogerou V, Argiropoulos V, Kyriakopoulos A, Kostakopoulos A. Urological Department, Iaso General. 16thVideo Urology World Congress, Athens 23-25/6/2005.
26) “The use of tension free vaginal tape “SPARC” for the treatment of stress incontinence”. Protogerou V., Tekerlekis P., Argiropoulos V., Kyriakopoulos A., Kostakopoulos A. Iaso General Hospital. 16th Video Urology World Congress, Athens 23-25/6/2005.
27) «Penis lengthening with girth enhancement: The surgical technique seen from the «inside» together with human cadaver detail anatomical presentation». V. Protogerou, P. Tekerlekis, P. Dretas, S. Anagnostopoulou, A. Kostakopoulos, K. Konstantinidis. Iaso General Hospital, Athens, Greece. 8th Congress of the European Society of Sexual Medicine. Copenhagen, 4-7 Δεκεμβρίου 2005.
28) “The tension-free vaginal tape for managing female stress urinary incontinence in 95 cases”. Argyropoulos V., Kostakopoulos A., Tekerlekis P., Protogerou V., Melekos M., 21st Annual Congress EAU, Paris, 5-8 Απριλίου 2006.
29) “Cadaver dissection in medical education”. M. Piagou, A. Mazarakis, Th. Troupis, V. Protogerou, G. Piagos, S. Anagnostopoulou. 3rd Balcan Congress on the History of Medicine. Thessaloniki 29/11-1/12/2007.
30) “The history of the lymphatic system”. M. Piagou, A. Mazarakis, Th. Troupis, V. Protogerou, G. Piagos, S. Anagnostopoulou. 3rd Balcan Congress on the History of Medicine. Thessaloniki 29/11-1/12/2007.