STUB1 and cerebellar ataxia: Imaging features, genetic analysis, and clinical history are in keeping with the SCAR-16 type of STUB1-associated cerebellar ataxia.<h4>Teaching point</h4>This case report will help the radiologist to familiarize themselves with the CT and MRI features of STUB1-associated cerebellar ataxia and will provide suggestions to further differentiate between the SCAR-16 and SCA-48 types of STUB1-associated cerebellar ataxia.