Crusted scabies-associated immune reconstitution inflammatory syndrome

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Background: Despite the widely accepted association between crusted scabies and human immunodeficiency virus (HIV)-infection, crusted scabies has not been included in the spectrum of infections associated with immune reconstitution inflammatory syndrome in HIV-infected patients initiating antiretroviral therapy.Case presentation: We report a case of a 28-year-old Mexican individual with late HIV-infection, who had no apparent skin lesions but soon after initiation of antiretroviral therapy, he developed an aggressive form of crusted scabies with rapid progression of lesions. Severe infestation by Sarcoptes scabiei was confirmed by microscopic examination of the scale and skin biopsy. Due to the atypical presentation of scabies in a patient responding to antiretroviral therapy, preceded by no apparent skin lesions at initiation of antiretroviral therapy, the episode was interpreted for the first time as " unmasking crusted scabies-associated immune reconstitution inflammatory syndrome" .Conclusion: This case illustrates that when crusted scabies is observed in HIV-infected patients responding to antiretroviral therapy, it might as well be considered as a possible manifestation of immune reconstitution inflammatory syndrome. Patient context should be considered for adequate diagnosis and treatment of conditions exacerbated by antiretroviral therapy-induced immune reconstitution. © 2012 Fernández-Sánchez et al.; licensee BioMed Central Ltd.

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Fernández-Sánchez, M., Saeb-Lima, M., Alvarado-de la Barrera, C., & Reyes-Terán, G. (2012). Crusted scabies-associated immune reconstitution inflammatory syndrome. BMC Infectious Diseases, 12.

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