During the 2012 International Chapel Hill Conference the eponym “Henoch-Schonlein purpura (HSP)” was decided to be replaced with IgAV based on the fact that the deposition of the abnormal IgA in the vessel wall was the most salient histopathological feature in this condition (1), although in clinical practice the term HSP is still commonly used. This evidence concerns the gene CD79A and hereditary spastic paraplegia.