Bulging anterior fontanel is/are seen in –
Bulging anterior fontanel 

The fontanel is normally flat or slightly depressed relative to the frontal and parietal bones and is pulsatile.
Bulging fontanel is a reliable sign of raised ICT during infancy.
The pulsations may disappear when fontanel becomes tense due to marked elevation of ICT.
Rickets
CMV infection
Tetracycline therapy
All of these