28year old female with Infective Endocarditis CT scan shows an Atoll sign or reversed halo sign characterised a rim of more dense consolidation surrounding a ground glass matrix Ashley Davidoff TheCommonVein.net 28year old female with Infective Endocarditis CT scan shows an Atoll sign or reversed halo sign characterised a rim of more dense consolidation surrounding a ground glass matrix Ashley Davidoff TheCommonVein.net
