Address for correspondence: İsmail Hakkı Kalkan, MD, Attar Sokak 21/14, Gaziosmanpaşa/ Çankaya 06700, ankara, Turkey, Tel.: +90 505 270 40 85, e-mail: drismailster@gmail.com Received 13-03-12, Revised 15-06-12, Accepted 02-07-12 Mitochondrial neurogastrointestinal encephalomyopathy (MNGIE) is a rare autosomal recessive multisystem disorder caused by mutations in the gene encoding thymidine phos...