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  • Title: [Disseminated histoplasmosis detected by lingual and tonsillar erosions in an immunocompetent patient].
    Author: Clyti E, Aznar C, Couppie P, Sainte-Marie D, Lemoine C, Huerre M, Carme B, Pradinaud R.
    Journal: Ann Dermatol Venereol; 1999 Oct; 126(10):709-11. PubMed ID: 10604010.
    Abstract:
    BACKGROUND: Histioplasmosis is a usually asymptomatic fungal infection. In the immunocompetent patient, it leads to chronic disseminated infection. Mucosal involvement is common and can provide the diagnosis. CASE REPORT: A metropolitan Frenchman with a history of alcoholism and smoking and living in Guyana consulted for lingual and tonsil erosion. Squamous cell carcinoma was suspected but not confirmed at pathology. The patient had a bi-apical infiltration on the chest x-ray and was treated empirically for tuberculosis. The diagnosis of histoplasmosis was reached when rare Histoplasma capsulatum were evidenced from a buccal swab. Itraconazole led to cure in 6 months. DISCUSSION: This case illustrates the importance of mucosal signs in the diagnosis of disseminated histoplasmosis in immunocompetent subjects. Histoplasmosis is rarely the cause of active infection in immunocompetent subjects. In these patients, the fungal infection generally progresses to chronic dissemination. Mucosal signs are frequent in this form but are rare in case of cutaneous histoplasmosis. Itraconazole (200 mg/d) is indicated for 6 months.
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