“…A localized painless expansion of the skull on one side is the commonest difference noted first by patients with craniofacial FD 14,24) . This bone swelling can lead to intracranial extension and central neurological manifestations, neurovascular entrapment, orbito-sino-nasal obstruction, recurrent sinusitis, epiphora, proptosis, malocclusion, and cosmetic deformity 3,5,17,25) . On involvement of basal cranium by FD, compressive cranial neuropathy that mainly affect the facial, auditive, trigeminal, olfactory, and visual function occurs from thickening and narrowing of neural canals and foramina 1,2,9,16,18) .…”