<prompt> Aniridia is associated with:RetinoblastomaHepatoblastomaNephroblastomaMedulloblastoma  <response>: Aniridia and Wilms tumor nephroblastoma are components of a rare genetic syndrome - WAGR syndrome W - Wilms tumor A - Aniridia G - Genitourinary problems R - Mental Retardation Aniridia is a condition of complete or paial iris hypoplasia and foveal hypoplasia, resulting in reduced visual acuity and nystagmus. It may be found in isolation or in association with other syndromes. PAX6 is present on band p13 of chromosome 11, and its mutation results in aniridia. Syndromes associated with Aniridia: Miller syndrome Aniridia associated wilms tumor WAGR syndrome Wilms tumor, aniridia, genital abnormalities and mental retardation Gillespies syndrome Aniridia, mental retardation and cerebellar ataxia Axenfeld-Rieger syndrome Iris hypoplasia, corectopia and polycoria. Ref: Yanoff Dukers Opthalmology, 3rd Edition, Page 1208. 