eng Science and Education Publishing American Journal of Medical Case Reports 2374-216X 2016-06-17 4 6 204 207 10.12691/ajmcr-4-6-5 AJMCR2016465 article M A Hannan chair_neuro@bsmmu.edu.bd 1 Imran Sarker 1 M. Fariduddin 2 Ayesha Begum 3 Shahadat Hossain 3 Nusrat Sultana 3 Department of Neurology, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh Department of Endocrinology, Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh Department of Virology, Dhaka Medical College, Dhaka, Bangladesh Hashimoto's thyroiditis (HT) is now considered as the most common autoimmune disease. Cerebellar ataxia can be a rare presentation of autoimmune (Hashimoto's) thyroiditis. We reported a 26 year old lady presented with recurrent episodes of bilateral cerebellar ataxia without any other neurological features. She was euthyroid but having very high circulating antibodies specially anti-thyroid peroxidase (TPOAb) antibodies suggestive of Hashimoto's thyroiditis. http://pubs.sciepub.com/ajmcr/4/6/5/ajmcr-4-6-5.pdf autoimmune thyroiditis cerebellar ataxia hashimoto's thyroiditis hypothyroidism etc