PT - JOURNAL ARTICLE AU - M Bugge TI - Monozygotic twins discordant for exstrophy of the urinary bladder. AID - 10.1136/jmg.18.2.139 DP - 1981 Apr 01 TA - Journal of Medical Genetics PG - 139--141 VI - 18 IP - 2 4099 - http://jmg.bmj.com/content/18/2/139.short 4100 - http://jmg.bmj.com/content/18/2/139.full SO - J Med Genet1981 Apr 01; 18 AB - A pair of monozygotic male twins discordant for ectopia vesicae urinariae is described. There is no reason to think that any exogenic factors contributed to the aetiology. There was no consanguinity and no history of congenital anomalies on either side of the family. Published reports concerning family incidence and twin reports are reviewed.