Tissue reaction in bartonellosis may suggest Kaposi's sarcoma.
D001474:Bartonella Infections / Q000473:pathology*; D003937:Diagnosis, Differential; D006801:Humans; D012514:Sarcoma, Kaposi / Q000473:pathology*; D012874:Skin Diseases, Infectious / Q000473:pathology*; D012878:Skin Neoplasms / Q000473:pathology*