Eczema alérgico de contacto profesional en auxiliar de odontología / Occupational allergic contact eczema in a dental assisstant

La frecuencia de eczemas de contacto profesional es muy elevada en auxiliares de dentistas. Se presenta el caso de una mujer de 46 años con lesiones pruriginosas eritematoedematosas, escamosas, de límites imprecisos en dorso y laterales de dedos de manos de varios meses de evolución. Las pruebas epicutáneas realizadas con la batería estándar del GEIDC, la dental de Chemotechnique y sus productos propios demostraron positividades para sulfato de níquel, cloruro de cobalto, dicromato potásico, tiosulfato sódico de oro, eugenol, el líquido de endodoncia denominado «eugenol», mezcla de fragancias y colofonia. El eugenol es un producto perfumado que se emplea en cementos y sellantes de endodoncia y periodontología. Hay cinco artículos con casos de eczema alérgico de contacto profesional por este producto en dentistas o enfermeras y auxiliares que trabajan en clínicas dentales

Occupational contact eczemas are very frequent in dental assistants. We present the case of a 46-year-old woman with pruritic, flaky, erythematous-edematous lesions, with indistinct borders, on the backs and sides of the fingers, which had been developing for several months. The skin tests performed with the GEIDC (Spanish Contact Dermatitis Research Group) standard battery, the Chemotechnique dental screening series and her own products showed positivity to nickel sulfate, cobalt chloride, potassium dichromate, gold sodium thiosulfate, the liquid used in endodontics known as «eugenol,» fragrance mix and colophony. Eugenol is a perfumed product that is used in cements and sealants for endodontics and periodontology. There are 5 articles regarding cases of occupational allergic contact eczema from this product in dentists or nurses and assistants who work in dental clinics

[Occupational allergic contact eczema in a dental assistant]. / Eczema alérgico de contacto profesional en auxiliar de odontología.

Occupational contact eczemas are very frequent in dental assistants. We present the case of a 46-year-old woman with pruritic, flaky, erythematous-edematous lesions, with indistinct borders, on the backs and sides of the fingers, which had been developing for several months. The skin tests performed with the GEIDC (Spanish Contact Dermatitis Research Group) standard battery, the Chemotechnique dental screening series and her own products showed positivity to nickel sulfate, cobalt chloride, potassium dichromate, gold sodium thiosulfate, the liquid used in endodontics known as "eugenol," fragrance mix and colophony. Eugenol is a perfumed product that is used in cements and sealants for endodontics and periodontology. There are 5 articles regarding cases of occupational allergic contact eczema from this product in dentists or nurses and assistants who work in dental clinics.

Foliculitis/seudofoliculitis abscesiforme del cuero cabelludo. Presentación de dos casos y breve revisión de la literatura / Abscess-like folliculitis/pseudofolliculitis of the scalp. Presentation of two cases and brief review of literature

La inflamación crónica del folículo piloso del cuero cabelludo es el sustrato histopatológico de varios procesos que producen alopecia cicatrizal. Se presentan 2 casos de foliculitis/seudofoliculitis abscesiforme del cuero cabelludo correspondientes a foliculitis disecante y a foliculitis queloidea, respectivamente, y se discute la relación entre ambas. El primer caso respondió a isotretinoína. (AU)