Views: 0 Author: Site Editor Publish Time: 2024-04-15 Origin: Site
Is there a full list of white patches on skin, which are not associated with vitiligo?
Key points
• Not all white patches on the skin are a sign of vitiligo. White patches not diagnosed as vitiligo are named leukodermas.
• A list of the so called leukodermas is hereunder available for Dermatologists who face the problem of a differential diagnosis of vitiligo.
• The expert Dermatologist should recognize all cases of leukodermas.
• Different kinds of leukoderma require different treatments.
Answer
Not all white spots appearing on the skin is vitiligo. White patches that are not diagnosed as vitiligo are named leukodermas.
Here is a list of leukodermas for dermatologic use:
Differential diagnosis in vitiligo: the Leukodermas
Chemically-induced leukoderma (often occupational)
Arsenic
Phenols and other derivatives,
cathecols
Infections
Leishmaniasis (post kala-azar)
Leprosy
Onchocerciasis
Secondary siphylis
Tinea versicolor
Treponematoses (pinta and syphilis)
Genetic syndromes
Chediac-Higashi syndrome
Hypomelanosis of Ito
Oculocutaneous albinism
Piebaldism
Tuberous sclerosis
Vogt-Koyanagi-Harada syndrome
Waardenburg syndrome
Postinflammatory hypopigmentation
Atopic dermatitis/allergic contact dermatitis
Nummular dermatitis
Phototherapy- and radiotherapy induced hypopigmentation Pityriasis alba
Postraumatic hypopigmentation (scar)
Psoriasis
Sarcoidosis
Systemic lupus erythematosus
Topical or systemic drug-induced depigmentation
Neoplastic
Amelanotic melanoma
Halo nevus
Melanoma-associated leukoderma
Mycosis fungoides
Idiopathic
Idiopathic guttate hypomelanosis
Lichen sclerosus et atrophicus
Lichen striatuslike leukoderma
Morphea
Melasma (caused by contrast between lighter and darker skin) Progressive (or acquired) macular
hypomelanosis
Malformations
Nevus anemicus
Nevus depigmentosus/hypopigmentosus
Nutritional
Kwashiorkor
Selenium deficiency