Post mortem ross drawing of base of brain with coned midbrain due to aneurysm. Annotations on the back read "55091001 Compression mid brain due post. com. art. aneurysm. Patient's surname" and "Johnson & Yates clinico-pathological aspects of pressure changes at the tentorium fig.1".
This image features in the publication R.T. Johnson & P.O. Yates, 'Clinico-pathological aspects of pressure changes at the tentorium', Acta Radiologica, 1956 (46) pp.242-9, in which it is described as follows: "ruptured right carotid aneurysm; section of mid brain shows distortion with extensive haemorrhages".
Initialled by the artist, bottom centre.