Snapshot A 26-year-old woman presents to the urgent care clinic because of fever, weight loss, night sweats, and a red rash on her trunk, legs, and arms for the past week. She has a past medical history of HIV infection and currently is not on any anti-retroviral medications. She recently adopted a cat from the shelter 3 months ago and has been training it to not scratch when approached; however, she has been sustaining scratches during the training process. On physical exam, she has generalized lymphadenopathy and multiple clusters of violaceous papules and plaques. Her CD4 count is 100 cells/mm3. A skin biopsy was done and shows a neutrophilic infiltrate and granulomatous changes. Introduction Classification login to view 11 more bullets Epidemiology login to view 11 more bullets Pathogenesis login to view 4 more bullets Associated conditions login to view 1 more bullet Prognosis login to view 2 more bullets Presentation Cat scratch disease login to view 6 more bullets Bacillary angiomatosis login to view 6 more bullets Studies Labs login to view 4 more bullets Biopsy of skin lesions or lymph node login to view 2 more bullets Making the diagnosis login to view 1 more bullet Differential Kaposi sarcoma login to view 2 more bullets Treatment Management approach login to view 2 more bullets Medical login to view 6 more bullets Complications Persistent lymphadenopathy Aseptic meningitis Disfigurement