Figures & data
Figure 1. A: CT scan of Sister A, carried out when she went to the emergency room. There is a contrast-enhancing lesion in the third ventricle in the region of foramen Monroi. Also, there is a pronounced obstructive hydrocephalus with dilatation of the lateral ventricles. 201 × 201 mm (72 × 72 DPI). B: CT scan of Sister B, carried out when we got to know that she was under investigation for severe headache attacks. As in her twin sister, there is a contrast-enhancing lesion in the third ventricle in the region of foramen Monroi. There is a pronounced obstructive hydrocephalus with dilatation of the lateral ventricles as well. 201 × 201 mm (72 × 72 DPI).
