Browsing by Author "Urrutia, Mauricio"
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Item Primer reporte de caso autóctono de tinea nigra en Chile(2019) Arellano, Javier; Vargas, Pablo; Urrutia, MauricioTinea nigra is an infrequent superficial mycosis caused by the dematiaceous fungus Hortaea werneckii. It usually occurs in tropical coastal areas, with very few reports in South American countries with temperate climates, generally corresponding to infections imported by travelers. We present the case of a Chilean adult patient, with no previous history of recent trips, with clinical and microbiological background consistent with palmar tinea nigra, treated with oral itraconazole and topical sertaconazole with a favorable response. This article is the first case reported in Chile, of autochthonous origin.Item Reactividad y evolución de 4.022 tests de parche en dermatitis de contacto realizadas entre 1995 y 2011 en Santiago de Chile(Sociedad Médica de Santiago, 2015) Sabatini, Natalia; Cabrera, Raúl; Bascuñán, Claudia; Díaz-Narváez, Víctor; Castillo, Ricardo; Urrutia, Mauricio; Sepúlveda, RodrigoBackground: Allergic Contact Dermatitis is a classic delayed hypersensitivity reaction. Aim: To study the reactivity and evolution in Chilean patients by gender, using the standard European patch test. Materials and Methods: The results of the European standard patch test applied to 4,022 patients aged 1 to 93 years (64% female) with Allergic Contact Dermatitis, diagnosed between January 1995 and August 2011, were retrospectively analyzed. Results: From a total of 4,022 patients, 2,439 (60.6%) had a positive reaction. Among reactive patients, 1,854 (76.04%) were female and 584 (23.96%) male. The most common positive allergens were nickel (35.3%), cobalt (15.1%), fragrance mix (14%), chromium (8.7%) and balsam of Peru (8.5%). In females, nickel was the most common reactive antigen (34.28%), and in males, fragrance mix (15.7%). During the period 2003-2011, an increased reactivity to nickel (26.6%) and a decreased reactivity to p-phenylenediamine (29.6%) and fragrance (42.8%), was observed. Conclusions: Fragrance mix is the most common reactive allergen in males and the third for females. Nickel is the leading allergen in the female group and the second of importance for males, making it the most significant allergen for the Chilean population. We also observed that the reactivity of some allergens evolves and varies over time.Item Tiña negra (tinea nigra): comunicación de un caso alóctono en Chile(Sociedad Chilena de Infectología, 2013) Cabrera, Raúl; Sabatini, Natalia; Urrutia, Mauricio; Sepúlveda, RodrigoTinea nigra is a superficial mycosis caused by Hortaea werneckii. It is an infrequent asymptomatic infection that affects mainly human palms and soles, and it is mostly seen in tropical countries. It has not been reported in Chile yet. The clinical presentation is generally a single macule, not symptomatic, of brown color in palms and soles. We report a case of a Chilean woman that developed brown macules on both soles after travel to the United States and Central America. The diagnosis of Tinea nigra was confirmed by direct microscopic examination and mycological culture. She had a good response to treatment with oral itraconazol.