A 37-year-old HIV-positive woman presented to the emergency department with fever, headache, confusion, and seizures for 3 days. Computed tomography of the head with contrast demonstrated multiple ring-enhancing masses. An eccentric mural nodule in ring-enhanced mass characterizes eccentric target sign, which is pathognomonic for cerebral toxoplasmosis. The patient received anti-toxoplasmic therapy and had marked clinical improvement.
Image Diagnosis: Eccentric Target Sign of Focal Toxoplasma Encephalitis
