<prompt> Retinitis pigmentosa is associated with all of the following syndromes, EXCEPT:Ushers syndromeBassen-Kornzweig diseaseKearns-Sayre syndromesMarfan syndrome  <response>: The many and diverse syndromes to which retinitis pigmentosa may be linked include the following: Oligophrenia, obesity, syndactyly, and hypogonadism Bardet-Biedl syndrome; hypogenitalism, obesity, and mental deficiency Laurence-Moon syndrome; Friedreich and other types of spinocerebellar and cerebellar ataxia; spastic paraplegia and quadriplegia with Laurence-Moon syndrome; neurogenic amyotrophy, myopia, and color-blindness; polyneuropathy and deafness Refsum disease; deaf mutism; Cockayne syndrome and Bassen-Kornzweig disease; Ushers Syndrome deafness and several mitochondrial diseases, paicularly progressive external ophthalmoplegia and Kearns-Sayre syndromes. Ectopia lentis, severe myopia, and retinal detachment is seen in Marfans Syndrome. Ref: Ropper A.H., Samuels M.A. 2009. Chapter 39. Degenerative Diseases of the Nervous System. In A.H. Ropper, M.A. Samuels Eds, Adams and Victors Principles of Neurology, 9e.Papadakis MA, McPhee SJ, Marfan Syndrome. Quick Medical Diagnosis Treatment. 