Actinic lentigo (Q43972): Difference between revisions
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Mácula cinza ou marrom circunscrita resultante de exposição crônica ao sol ou a fontes artificiais de ultravioleta, como câmaras de bronzeamento artificial. Tipicamente estão localizadas no dorso das mãos e antebraços, ombros, fronte e couro cabeludo (se calvo). Frequentemente coexistem e podem ser difíceis de diferenciar das ceratoses seborreicas planas, que diferem clinicamente por exibir descamação fina e histologicamente por mostrar proliferação de queratinócitos e melanócitos. | |||
| description / en | description / en | ||
A circumscribed grey or brown macule resulting from chronic exposure to the sun or to artificial sources of ultraviolet such as sun-beds. They are typically located on the backs of the hands and forearms, shoulders, forehead and the scalp (if bald). They often coexist with and may be difficult to differentiate from plane seborrhoeic keratoses, which differ clinically in exhibiting fine scaling and histologically in showing proliferation of keratinocytes as well as melanocytes. | |||
Revision as of 11:13, 13 August 2026
A circumscribed grey or brown macule resulting from chronic exposure to the sun or to artificial sources of ultraviolet such as sun-beds. They are typically located on the backs of the hands and forearms, shoulders, forehead and the scalp (if bald). They often coexist with and may be difficult to differentiate from plane seborrhoeic keratoses, which differ clinically in exhibiting fine scaling and histologically in showing proliferation of keratinocytes as well as melanocytes.
| Language | Label | Description | Also known as |
|---|---|---|---|
| default for all languages | EJ20.1 |
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| English | Actinic lentigo |
A circumscribed grey or brown macule resulting from chronic exposure to the sun or to artificial sources of ultraviolet such as sun-beds. They are typically located on the backs of the hands and forearms, shoulders, forehead and the scalp (if bald). They often coexist with and may be difficult to differentiate from plane seborrhoeic keratoses, which differ clinically in exhibiting fine scaling and histologically in showing proliferation of keratinocytes as well as melanocytes. |
