Drawing of sagittal section of brain stem, cerebellum, and tumour. Annotations on the back read "Top BJR".
This image features as part A of figure 10 in the publication E.W. Twining, 'Radiology of the third and fourth ventricles, part II', British Journal of Radiology, 1939, in which it is described as follows: "Author's drawings of ependymoma arising from left wall posteriory-filling defect somewhat similar to pinealoma".
Dr Twining
Top right corner.Initialled by the artist, bottom right corner.