Table 1.

Pre-operative (pre-op), intra-operative (intra-op) and post-operative (post-op) patient data analysed in this study

Case	Application	3D image data type	Slice thickness (mm)
1	Craniotomy	Pre-op MRI and intra-op MRI	2.5
2	Craniotomy	Pre-op MRI and intra-op MRI	2.5
3	Craniotomy	Pre-op MRI and intra-op MRI	2.5
4	Tumour resection	Pre-op MRI and intra-op MRI	2.2
5	Tumour resection	Pre-op MRI and post-op MRI	4.0
6	Tumour resection	Pre-op MRI and post-op MRI	2.0
7	Tumour resection	Pre-op MRI and post-op MRI	2.0
8	Electrode placement	Pre-op MRI and post-op CT with electrodes implanted	0.7
9	Electrode placement	Pre-op MRI and post-op CT with electrodes implanted	1.0