Keywords: Bloch-Sulzberger syndrome; IKBKG; IP, incontinentia pigmenti; NEMO; NF-kappa-B; NF-κB, nuclear factor-κB; STIPs, subungual tumors of incontinentia pigmenti; bipolar disorder; genodermatosis; incontinentia pigmenti; lines of Blaschko; psychiatric disease; subungual tumors of incontinentia pigmenti.