Dyschromia

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Dyschromia
Classification and external resources
Specialty	Lua error in Module:Wikidata at line 446: attempt to index field 'wikibase' (a nil value).
ICD-10	L81.9
ICD-9-CM	709.0
DiseasesDB	29542
Patient UK	Dyschromia
[[[d:Lua error in Module:Wikidata at line 863: attempt to index field 'wikibase' (a nil value).\|edit on Wikidata]]]

Dyschromia refers to an alteration of the color of the skin^[1] or nails.

"Hyperchromia" can refer to hyperpigmentation,^[2] and "hypochromia" can refer to hypopigmentation.^[3]

"Dyschromatoses" involve both hyperpigmented and hypopigmented macules.^[4]

References

vitiligo:	Quadrichrome vitiligo Vitiligo ponctué
syndromic	Alezzandrini syndrome Vogt–Koyanagi–Harada syndrome
melanocyte development:	Piebaldism Waardenburg syndrome Tietz syndrome

albinism:	Oculocutaneous albinism Ocular albinism
melanosome transfer:	Hermansky–Pudlak syndrome Chédiak–Higashi syndrome Griscelli syndrome Elejalde syndrome Griscelli syndrome type 2 Griscelli syndrome type 3
other:	Cross syndrome ABCD syndrome Albinism–deafness syndrome Idiopathic guttate hypomelanosis Phylloid hypomelanosis Progressive macular hypomelanosis

Leukoderma w/o
hypomelanosis

Ungrouped

Reticulated	Dermatopathia pigmentosa reticularis Pigmentatio reticularis faciei et colli Reticulate acropigmentation of Kitamura Reticular pigmented anomaly of the flexures Naegeli–Franceschetti–Jadassohn syndrome Dyskeratosis congenita X-linked reticulate pigmentary disorder Galli–Galli disease Revesz syndrome
Diffuse/ circumscribed	Lentigo/Lentiginosis: Lentigo simplex Liver spot Centrofacial lentiginosis Generalized lentiginosis Inherited patterned lentiginosis in black persons Ink spot lentigo Lentigo maligna Mucosal lentigines Partial unilateral lentiginosis PUVA lentigines Melasma Erythema dyschromicum perstans Lichen planus pigmentosus Café au lait spot Poikiloderma (Poikiloderma of Civatte Poikiloderma vasculare atrophicans) Riehl melanosis
Linear	Incontinentia pigmenti Scratch dermatitis Shiitake mushroom dermatitis
Other/ungrouped	Acanthosis nigricans Freckle Familial progressive hyperpigmentation Pallister–Killian syndrome Periorbital hyperpigmentation Photoleukomelanodermatitis of Kobori Postinflammatory hyperpigmentation Transient neonatal pustular melanosis

Other
pigments

iron:	Hemochromatosis Iron metallic discoloration Pigmented purpuric dermatosis Schamberg disease Majocchi's disease Gougerot–Blum syndrome Doucas and Kapetanakis pigmented purpura/Eczematid-like purpura of Doucas and Kapetanakis Lichen aureus Angioma serpiginosum Hemosiderin hyperpigmentation
other metals:	Argyria Chrysiasis Arsenic poisoning Lead poisoning Titanium metallic discoloration
other:	Carotenosis Tattoo Tar melanosis

Dyschromatoses

v t e Index of skin
Description	Anatomy Physiology connective tissue Development
Disease	Infections by morphology Vesiculobullous Dermatitis and eczema factitial Papulosquamous Urticaria and erythema Radiation-related Pigmentation Mucinoses Keratosis, ulcer, atrophy, and necrobiosis Vasculitis Fat Neutrophilic and eosinophilic Congenital Neoplasms and cancer nevi and melanomas epidermis dermis Symptoms and signs Terminology
Treatment	Procedures Drugs antibiotics disinfectants emollients and protectives itch psoriasis other Wound and ulcer

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