RT Book, Section A1 Weinberg, Samuel A1 Prose, Neil S. A1 Kristal, Leonard SR Print(0) ID 6988900 T1 Section 24. Miscellaneous Pigmentary Disorders T2 Color Atlas of Pediatric Dermatology, 4e YR 2008 FD 2008 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-145543-5 LK accesspediatrics.mhmedical.com/content.aspx?aid=6988900 RD 2024/11/10 AB This condition is characterized by whorled areas of hypopigmentation following lines of Blaschko that are present from birth or evolve during early childhood. The lesions may be generalized, with individual areas of hypopigmentation assuming whorled or streaked patterns. A very small number of patients with this pigmentary disorder have central nervous system disease, usually manifest as seizures or mental retardation. Other reported abnormalities include skeletal and ocular defects. This condition was formerly called hypomelanosis of Ito.