Fig. 7From: Novel method using DW-MRI and ADC images to guide stereotactic biopsy for the diagnosis small primary angiitis of the central nervous system: a case reportThree-dimensional (3D) computed tomography (CT) images before and after stereotactic biopsy surgery. A Localization of the area for stereotactic surgery and an axial image of the 3D CT reconstruction. B Stereotactic biopsy localization and sagittal image of the 3D CT reconstruction. C Stereotactic biopsy targeting the left frontal lesion. D CT scan of the head, 1 day after stereotactic biopsy, showed a shadow indicating gas present in the left frontal lesion (white arrow)Back to article page