Delayed scan, the hypodense edema ring enhanced and became isodense, or the abscess enhanced diffusely, the lesions became smaller and the colliquative necrosis area more obvious.
延时，脓肿周围低密度水肿环可强化为等密度，或脓肿内部强化，病变范围缩小，液化坏死区更显明显。
2
This is a Toxoplasma abscess in the brain, which would appear as a ring-enhancing lesion with CT scan.