TY - JOUR T1 - Response to: ’Neuropsychiatric lupus or not? Cerebral hypoperfusion by perfusion-weighted MRI in normal-appearing white matter in primary neuropsychiatric lupus erythematosus' by Papadaki <em>et al'</em> by Wallace JF - Annals of the Rheumatic Diseases JO - Ann Rheum Dis SP - e6 LP - e6 DO - 10.1136/annrheumdis-2018-212949 VL - 78 IS - 1 AU - Efrosini Papadaki AU - Antonis Fanouriakis AU - Eleftherios Kavroulakis AU - Dimitra Karageorgou AU - Prodromos Sidiropoulos AU - George Bertsias AU - Panagiotis Simos AU - Dimitrios T Boumpas Y1 - 2019/01/01 UR - http://ard.bmj.com/content/78/1/e6.abstract N2 - We thank Dr Wallace1 for his interest in our paper entitled ‘Neuropsychiatric lupus or not? Cerebral hypoperfusion by perfusion-weighted MRI in normal appearing white matter in primary neuropsychiatric lupus erythematosus’ by Papadakiet al 2 and for giving us the opportunity to clarify aspects of our work. Our response to the points raised, follow next: American College of Rheumatology (ACR) nomenclature. We do agree that this nomenclature, although useful, is indeed outdated and may need refinement and updating. In our study, the attribution of primary NPSLE … ER -