en Nephrology Nephrology Original Research Original Research Neurologic and psychologic complications are usually related to drug toxicity, infections or symptoms induced by deterioration of renal allograft function. Metabolic encephalopathy, hypertensive encephalopathy, cerebrovascular events, and new-onset seizures have all been reported in organ-transplant recipients. Infections can be caused by listeria, cryptococcus, nocardia, aspergillus and mucor. Toxoplasma, coccidia, cytomegalovirus (CMV) and herpes infections are also reported. Cerebral hemorrhage can occur secondary to septic emboli or intracerebral aneurysms. The aim of this study is to present the results of a review on 200 renal transplant recipients concerning neuropsychologic complications during a 12-year period in the Imam Khomeini Hospital affiliated to Tehran University of Medical Sciences. According to this study, neuropsychologic disorders occurred in 3 a (15%) of the recipients and of these, peripheral neuropathy, depression and tremor were the most common and were detected in 8 (4%), 5 (2.5%), and 4 (2%) of the recipients, respectively. Kidney transplantation, Neurologic complications; Psychologic complications; Immunosuppression. 141 143 http://mjiri.iums.ac.ir/browse.php?a_code=A-10-298-332&slc_lang=en&sid=1 FARAHNAZ FALLAHIAN 20031947532846004429 20031947532846004429 Yes From the Division of Nephrology and Kidney Transplantation, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, I. R. Iran. MOHAMMAD REZA KHATAMI 20031947532846004430 20031947532846004430 No PARVIZ JABAL AMELI 20031947532846004431 20031947532846004431 No