Male 32 years

Right frontotemporal lesion. Cerebral tissue, 65x50x35mm. Sections show focal loss of demarcation between cortical grey matter and underlying white matter.

Female 55 years

Spinal intradural intramedullary lesion. Nodular tan tissue 24x11x10mm.

Male 33 years

Right cerebellar lesion. Nodular haemorrhagic tissue, measures 12x7x4mm. Bisected.

Male 63 years

Third ventricular cyst. Smooth surfaced cream tissue 20x12x10mm.

Male 69 years

Right frontal tumour. Nodular tissue 51x33x30mm.

Male 84 years

Left tempero-occipital tumour. Firm tissue measuring 25x17x12mm. IHC: IDH1 R132H negative, ATRX retained.

Male 38 years

Intradural tumour L1-L3. Smooth surfaced grey and haemorrhagic tissue 40x15x15mm.

Male 68 years

Endoscopic decompression of pituitary lesion. Multiple haemorrhagic fragments up to 15mm. IHC: LH, FSH, growth hormone, ACTH and TSH negative.

Female 7 years

Resection of third ventricular tumour. Multiple cream and haemorrhagic fragments up to 15mm.

Male 32 years

Epilepsy, left frontal craniotomy and lesionectomy. Cerebral tissue 35x23x23mm. Sections show focal loss of demarcation between grey matter and underlying white matter.

Female 35 years

Left cingulate ring enhancing lesion. Multiple cream coloured tissue cores, aggregate up to 14mm.

Female 49 years

Right temporal biopsy, diffuse subcortical imaging change. Multiple grey fragments up to 17mm in aggregate.