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Figure 2: (a) Axial contrast CT scan prior to the second surgery showing hypodense ring-enhancing lesion in the right occipital region, suggesting recurrence. Axial MRI postcontrast T1-weighted sequences showing hypointense lesion (b) with ring enhancement; conglomerate lesions are seen on sagittal sections (c), along with subdural and extradural collection. Diffusion-weighted images (d) showing restricted diffusion, suggesting abscess, while apparent diffusion coefficient images (e) shows hypointensity. Magnetic resonance spectroscopy showed lipid lactate peak at 1.3, suggesting abscess (f).

Figure 2: (a) Axial contrast CT scan prior to the second surgery showing hypodense ring-enhancing lesion in the right occipital region, suggesting recurrence. Axial MRI postcontrast T1-weighted sequences showing hypointense lesion (b) with ring enhancement; conglomerate lesions are seen on sagittal sections (c), along with subdural and extradural collection. Diffusion-weighted images (d) showing restricted diffusion, suggesting abscess, while apparent diffusion coefficient images (e) shows hypointensity. Magnetic resonance spectroscopy showed lipid lactate peak at 1.3, suggesting abscess (f).