RESUMO
Erythema ab igne (EAI) is a cutaneous reaction resulting from prolonged exposure to an infrared heat source at temperatures insufficient to cause a burn. It is most commonly reported on the lower extremities and back, and it presents with persistent areas of reticular erythema associated with hyperpigmentation, epidermal atrophy, and telangiectases. Erythema ab igne traditionally is associated with chronic exposure to open fires and coal stoves. More recently, other implicated causes include heating pads, laptop computers, heated furniture, and electric space heaters. Histologic features of squamous atypia with basal layer crowding and loss of maturation throughout the epidermis can be seen in later stages of EAI. Therefore, although EAI is predominantly a chronic pigmentary disorder, a percentage of patients might be at increased risk for cutaneous malignant transformation, including squamous cell carcinoma (SCC).
Assuntos
Queimaduras , Carcinoma de Células Escamosas , Hiperpigmentação , Neoplasias Cutâneas , Carcinoma de Células Escamosas/etiologia , Eritema/etiologia , Temperatura Alta , Humanos , Neoplasias Cutâneas/etiologiaRESUMO
There are a number of diseases that manifest both on the skin and the oral mucosa, and therefore the importance for dermatologists in clinical practice to be aware of these associations is paramount. In the following continuing medical education series, we outline orocutaneous disease associations with both immunologic and inflammatory etiologies.
Assuntos
Doenças Autoimunes/imunologia , Doenças da Boca/imunologia , Mucosa Bucal/imunologia , Dermatopatias Vesiculobolhosas/epidemiologia , Dermatopatias Vesiculobolhosas/imunologia , Autoanticorpos/sangue , Doenças Autoimunes/epidemiologia , Doenças Autoimunes/fisiopatologia , Educação Médica Continuada , Feminino , Humanos , Incidência , Masculino , Doenças da Boca/epidemiologia , Doenças da Boca/fisiopatologia , Mucosa Bucal/patologia , Penfigoide Mucomembranoso Benigno/epidemiologia , Penfigoide Mucomembranoso Benigno/imunologia , Penfigoide Mucomembranoso Benigno/fisiopatologia , Penfigoide Bolhoso/epidemiologia , Penfigoide Bolhoso/imunologia , Penfigoide Bolhoso/fisiopatologia , Pênfigo/epidemiologia , Pênfigo/imunologia , Pênfigo/fisiopatologia , Prognóstico , Medição de Risco , Dermatopatias Vesiculobolhosas/patologiaRESUMO
The oral cavity and cutaneous organ systems share a close embryologic origin. Therefore, there are numerous dermatologic conditions presenting with concomitant oral findings of which the dermatologist must be aware. The second article in this continuing medical education series reviews inflammatory orocutaneous conditions and a number of genodermatoses. It is essential for dermatologists to be familiar with oral cavity manifestations associated with dermatologic diseases for prompt diagnosis, management, and appropriate referral to stomatology and dentistry.