title: Hypopigmentary disorders in children in South India.
abstract: BACKGROUND
  Hypopigmentary disorders are common group of dermatoses in pediatric age group.
  
  
  OBJECTIVE
  To study the frequency and patterns of hypopigmentary disorders in children.
  
  
  METHODS
  This study was a descriptive clinical study spanning over a period of 23 months. A total of 113 children (61 boys and 52 girls) were included in this study.
  
  
  RESULTS
  The frequency of hypopigmentary disorders among children was 3.28 per 1000 children attending the dermatology out patient department. The mean age of the children was 7.2 years. The mean of age of onset was 7.36 years. Most common hypopigmentary disorder in our study was pityriasis alba (24.7%), followed by vitiligo (20.4%), leprosy (11.5%), nevus depigmentosus (10.18%), and tinea versicolor (6.2%). Others were hypomelanosis of Ito (5), post-inflammatory hypopigmentation (5), pityriasis rosea (4), steroid-induced hypopigmentation (4), lichen sclerosus et atrophicus (3), pityriasis lichenoides chronica (3), lichen striatus (2), oculocutaneous albinism (2), tuberous sclerosis complex (2), pigmentary mosaicism (1), and Griscelli syndrome (1).
  
  
  CONCLUSIONS
  Pityriasis alba, vitiligo, leprosy, nevus depigmentosus and tinea versicolor are the five most common hypopigmentary disorders in children.
authors: Department of Dermatology and STD, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry, India.
authors: Tukaram
authors: T
authors: Sori
authors: Amiya Kumar
authors: AK
authors: Nath
authors: Devinder Mohan
authors: DM
authors: Thappa
authors: T J
authors: TJ
authors: Jaisankar