title: Secondary syphilis misdiagnosed as lymphoma.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D006689:Hodgkin Disease / Q000175:diagnosis; D006801:Humans; D008223:Lymphoma / Q000175:diagnosis*; D008224:Lymphoma, Follicular / Q000175:diagnosis; D008297:Male; D013587:Syphilis / Q000175:diagnosis*