A unilateral inguinofemoral granulomatous lymphadenitis in a two-year-old girl. A case report.

is an environmental contaminant and is considered as an emerging human pathogen. We report the case of a granulomatous lymphadenitis in a two-year-old girl. A two-year-old, previously healthy, Caucasian girl developed a unilateral inguinofemoral granulomatous lymphadenitis with . The protracted course, the violaceous discoloration of the overlying skin, the mild tenderness without constitutional signs, the reactive tuberculin skin test with a negative interferon gamma release assay (IGRA) and the negative serology ranked non-tuberculous mycobacterial lymphadenitis high in our differential diagnosis. The ultrasonography showed signs of abcedation. We decided for surgical excision of the nodes. A granulomatous lymphadenitis was revealed. Treatment with an oral course of 2 weeks ciprofloxacin was prescribed. The course after treatment was uneventful and after one year of follow-up, the child is still doing well. Unusual clinical presentation should raise suspicion of uncommon pathogens and uncommon pathogens should raise suspicion of an underlying problem such as immunodeficiency, which was not the case in our patient.