NEDD4L and periventricular nodular heterotopia 7: With regard to recurrence, the identified c.2677G>A (p.Glu893Lys) variant was reported in 5 PVNH7 patients, 4 of them by Broix et al (2016)[1] and 1 by Kato et al (2017).[2] It should be noted here, however, that the latter case was originally incorrectly classified by the authors as a newly discovered variant c.2617G>A (p.Glu873Lys), since the existing differences between the 2 alternative NEDD4L transcripts.