title: Fever, rash, testicular swelling, and eosinophilia in an 86-year-old man.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001798:Blood Proteins; D003937:Diagnosis, Differential; D004487:Edema / Q000175:diagnosis; D004802:Eosinophilia / Q000175:diagnosis; D005334:Fever / Q000175:diagnosis; D006801:Humans; D008193:Lyme Disease / Q000175:diagnosis; D008297:Male; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000473:pathology*; D013733:Testicular Diseases / Q000175:diagnosis; D014581:Urticaria / Q000175:diagnosis
chemical_list: D001798:Blood Proteins