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2 results on '"Patch Tests"'

1. Allergic contact cheilitis caused by propolis: case report.

Author

Silva Belluco, Paulo Eduardo, Feijó Belluco, Rosana Zabulon, and Santiago Reis, Carmelia Matos

Subjects
*CHEILITIS, *COVID-19, *NATURAL products, *PROPOLIS, *ECZEMA, *CONTACT dermatitis, *IMMUNITY, *COVID-19 pandemic, *HONEY plants
Abstract

Propolis is a lipophilic resin extracted from plants by bees. The purpose of this case report was to show the importance of this substance as cause of allergic contact cheilitis. A 21-year-old female patient complained of pruritic perioral eczema for 5 years. In the past months it also affected the neck. After diagnosing contact dermatitis, she was submitted to a patch test with a Latin American baseline series. The result was strongly positive for propolis (++) and weakly positive for perfume mix I (+). After the test, the patient revealed she had been using propolis drops, per oris, for 10 years. The worsening of the condition was due to increased dose, aiming "to improve immunity", during the coronavirus disease 2019 (COVID-19) pandemic. The contact allergy to propolis might be increasing due to the widespread use of natural products. Propolis is a sensitizer to be considered in patients with long-lasting cheilitis. [ABSTRACT FROM AUTHOR]

Published
2022
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2. [Lip eczema. Experience in the Contact Dermatitis Unit of a Spanish tertiary hospital]

Author

Loidi-Pascual L, Hervella-Garcés M, Larrea-García M, Raquel Santesteban, Agulló-Pérez A, and Yanguas-Bayona I

Subjects
Cosméticos, Dermatitis alérgica de contacto, Eczema, Eccema, Cosmetics, Allergens, Patch Tests, Patch tests, Lip, Dermatitis, Atopic, Tertiary Care Centers, Cheilitis, Humans, Allergic contact dermatitis, Mouth Diseases, Pruebas epicutáneas, Retrospective Studies
Abstract

Fundamento: El eccema labial es un problema poco frecuente en las Unidades de Eccema de Contacto (UEC). Hasta el momento han sido publicadas escasas series que muestren el perfil de estos pacientes y las causas de su eccema, ninguna de ellas española. El objetivo de este estudio fue el de analizar el perfil epidemiológico de los pacientes que acuden a la UEC en nuestro entorno, los diagnósticos principales y los alérgenos relevantes. Material y métodos: Se realizó una revisión retrospectiva de los pacientes remitidos a la UEC en el periodo 2005-2014. Se realizaron pruebas epicutáneas con la serie estándar ampliada del Grupo Español de Investigación en Dermatitis Alérgica de contacto (GEIDAC), productos propios y otras baterías complementarias. Resultados: En los 78 pacientes estudiados, los diagnósticos más frecuentes fueron la dermatitis de contacto alérgica y la dermatitis atópica. Los alérgenos relevantes más frecuentes fueron los cosméticos y los fármacos tópicos. Conclusiones: Es fundamental estudiar a los pacientes con eccema labial con pruebas epicutáneas para poder filiar correctamente su etiología y según esto, realizar un tratamiento más adecuado. Background: Lip eczema is an infrequent problem in Contact Dermatitis Units (CDU). Very few series have been published to date that show the profiles of such patients and the causes of their eczemas, and none are Spanish. The goal of this study was to analyze the epidemiological profile of the patients who attend a CDU in our setting, the main diagnoses and the relevant allergens. Methods: A retrospective review was made of the patients referred to the CDU in the 2005-2014 period. Patch tests were carried out with the extended standard series of the Spanish Research Group on Allergic Contact Dermatitis (Grupo Español de Investigación en Dermatitis Alérgica de contacto - GEIDAC), our own products and other complementary sets. Results: The most frequent diagnoses in the 78 patients studied were allergic contact dermatitis and atopic dermatitis. The most frequent relevant allergens were cosmetics and topical medications. Conclusions: It is essential to study the patients with lip eczema with patch tests to be able to correctly determine their etiology and accordingly to carry out the most suitable treatment.

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