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# PD 4-1 (PD)
ACTIVATING TRANSCRIPTION FACTOR 3: AN ESTROGEN RESPONSIVE GENE IN THE AETIOLOGY OF HYPOSPADIAS
Agneta NORDENSKJOLD, Ana BELEZA MEIRELES^*, Virpi TöHöNEN^*, Cilla SöDERHäLL^†, Christian SCHWENTNER^‡, Christian RADMAYR^‡ and Ingrid KOCKUM^*
Pediatric Surgery, Women and Child Health and Molecular Medicine and Surgery, Stockholm, SWEDEN - * Clinical Genetics, Dept of Molecular Medicine and Surgery, Stockholm, SWEDEN - † CMM02, Dept of Molecular Medicine and Surgery, Stockholm, SWEDEN - ‡ Pediatric Urology, Innsbruck, AUSTRIA

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# PD 4-2 (PD)
IN AN EXPERIMENTAL HYPOSPADIAS MODEL TO REPAIR WITH TISSUE ENGINEERED URETHRAL EPITHELIUM
Hakan SAMSUM, Yunus SÖYLET, Mevlit KORKMAZ^*, Burcu BILTEKIN^† and Sergulen DERVISOGLU^‡
Istanbul Universty Cerrahpasa Medical Faculty, Pediatric Surgery and Pediatric Urology, Istanbul, TURKEY - * Medicana Hospitals, Pediatric Surgery, Istanbul, TURKEY - † Istanbul Universty Istanbul Medical Faculty, Histology and Embriyology, Istanbul, TURKEY - ‡ Istanbul Universty Cerrahpasa Medical Faculty, Pathology, Istanbul, TURKEY

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# PD 4-3 (PD)
FIRST STAGE BRACKA URETHROPLASTY USING DORSAL TUNICA VAGINALIS GRAFT: HISTOPATHOLOGICAL EVALUATION IN AN EXPERIMENTAL MODEL IN RABBITS.
Tiago ROSITO, Jesus PIRES, Gilmar GARRONE, Riberto LIGUORI, Sergio OTONI, Valdemar ORTIZ, Walter KOFF^* and Antonio MACEDO JR
UNIFESP, urology, Porto Alegre, BRAZIL - * UFRGS, UROLOGY, Porto Alegre, BRAZIL

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# PD 4-4 (PD)
CORRELATION BETWEEN HISTOLOGICAL AND BIOMECHANICAL PROPERTIES IN AN EXPERIMENTAL HYPOSPADIAC REPAIRED URETHRAL TISSUE USING LIGHT MICROSCOPY AND SCANNING ACOUSTIC MICROSCOPY (SAM).
Marianna LALLA, Carsten RIIS^*, Claus Schjøtt JøRGENSEN^*, Jens Christian DJURHUUS^* and Troels Munch JøRGENSEN^†
Aarhus University, Institute of Clinical Medicine, Urology and Pediatric Urology, Aarhus N, DENMARK - * Aarhus University, Institute of Clinical Medicine, Aarhus N, DENMARK - † Aarhus University, Urology and Pediatric Urology, Institute of Clinical Medicine, Aarhus N, DENMARK

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# PD 4-5 (PD)
OPTIMISING POST OPERATIVE PAIN REDUCTION IN HYPOSPADIAS BY LEVOBUPIVACAINE:
Karen KWAK, J.L. KNOLL^*, R.P.E. DE GIER^*, J.J. DRIESSEN^† and W.F.J. FEITZ^*
UMC St Radboud, Paediatric Urology, Nijmegen, NETHERLANDS - * UMC St Radboud, Paediatric Urology, Nijmegen, NETHERLANDS - † UMC St Radboud, Paediatric Anaesthesia, Nijmegen, NETHERLANDS

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