eng Science and Education Publishing American Journal of Medical Case Reports 2374-216X 2020-11-10 9 1 65 66 10.12691/ajmcr-9-1-16 AJMCR20219116 article Sayed Yousef Mojtahedi 1 Azadeh Afshin azi.afshin@gmail.com 1 Simin Khayatzadeh Kakhki 2 Department of Pediatric Nephrology, Bahrami Children Hospital, Tehran University of Medical Sciences, Tehran, Iran Division of pediatric Neurology, Bahrami Children Hospital, Tehran University of Medical Sciences, Tehran, Iran Pancake or doughnut kidney is a very rare anatomical abnormality. It is subgroup of fusion anomaly. Most of the time, diagnosed incidentally because affected patients are asymptomatic. Here we repot Pancake kidney in Toddler boy with proteinuria and developmental delay. http://pubs.sciepub.com/ajmcr/9/1/16/ajmcr-9-1-16.pdf pancake kidney renal fusion anomaly proteinuria