Fig. 2From: Spectrum of lytic lesions of the skull: a pictorial essayVenous lacuna (VL). Axial CT image with bone (a) window showing a lytic lesion within the left parasagittal diploic space (arrowhead), confirmed on T2-weighted sequence (b). In a caudal slice, a right parasagittal AG can be depicted (c, d)Back to article page