Case Report

Extensive Craniocervical Abscess after Transoral Ganglionic Local Opioid Analgesia at the Superior Cervical Ganglion for Atypical Trigeminal Neuralgia: Report of a Severely Complicated Case

Figure 1

Axial MRI slice at initial presentation: contrast-enhanced T1-weighted axial MRI scan at the level of the dens axis. The white arrow identifies an annular enhancement round the dens axis while the white asterisk indicates the focus ventromedial of the left arch of the Atlas with 11 × 8 mm in diameter.