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6.
Artículo en Inglés | MEDLINE | ID: mdl-23254725

RESUMEN

Reticulate pigmentary disorders is a term that is loosely defined to include a spectrum of acquired and congenital conditions with different morphologies. The presentations vary from the reticular or net like pattern to the" freckle like" hyper and hypopigmented macules that are usually restricted to the true genetic "reticulate" pigmentary disorders. There is little clarity on this topic and related terms, in major dermatology textbooks. Hence, to harmonize the different entities we feel that the term "mottled pigmentation" could be used to include reticulate pigmentary disorders (acquired and congenital), dyschromasias and the disorders with a reticular pattern. The genetic reticulate pigmentary disorders can also be classified according to the gene loci which in the majority of cases are localized to keratin 5/14. A more useful clinical method of classification is based on the regional distribution, which includes facial, truncal, acral or flexural types. In this review we will largely focus on the inherited reticulate pigmentary disorders.


Asunto(s)
Trastornos de la Pigmentación/clasificación , Humanos , Hiperpigmentación/inducido químicamente , Hiperpigmentación/clasificación , Hiperpigmentación/genética , Trastornos de la Pigmentación/inducido químicamente , Trastornos de la Pigmentación/genética , Piel
8.
Artículo en Inglés | MEDLINE | ID: mdl-22565436

RESUMEN

Familial progressive hyper- and hypopigmentation (FPHH) is characterized by diffuse hyperpigmentation with variable intensity. Cafe'-au-lait macules and larger hypopigmented ash-leaf macules are also present. Herein, we reported a variant case of FPHH. The patient was a two-year-old Chinese girl showing diffuse hyper- and hypopigmented lesions, longitudinal melanonychia in both thumbs, and infantile seizures, without any lentigines.


Asunto(s)
Hiperpigmentación/genética , Hiperpigmentación/fisiopatología , Hipopigmentación/genética , Hipopigmentación/fisiopatología , Piel/patología , Manchas Café con Leche/genética , Manchas Café con Leche/patología , Manchas Café con Leche/fisiopatología , Preescolar , Progresión de la Enfermedad , Femenino , Variación Genética , Humanos , Hiperpigmentación/patología , Hipopigmentación/patología , Lactante , Linaje , Espasmos Infantiles/genética
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