All are the characteristics of raised ICT on a plain radiology except:: (A) Erosion of dorsum sellae, (B) Ballooning of sella, (C) Increased convolutons, (D) Sutural diastasis
Answer is B. B i.e., Ballooning of dorsal sellae - Sutural diastasis (1st sign in children), increased convolutions (copper beating of skull vault) and thinning & erosion of dorsal sellae (cardinal sign in adults) are features of raised ICT. Expansion & ballooning of sella is seen in pitutary adenomaQ. Expansion & erosion of internal auditory meatus (IAM) is seen in acoustic neuromaQ.