Fig. 5From: Biphasic CT imaging of deep neck infections (DNIs): how does dual injection mode helps in differentiation between types of collections?A 32-year-old female with left-sided suppurative adenitis. a Intra-nodal abscess, shown as thick rim sign and complex fluid of 30–35 HU, which is slightly higher than usual fluid attenuation still considered fluid in our study. Lower axial scans in b show small reactive nodesBack to article page