Noonan syndrome is an autosomal dominant, variably expresses, multisystem disorder characterized by congenital heart disease, craniofacial dysmorphism, webbed neck, developmental delay, learning difficulties, short stature, lymphatic malformations, bleeding difficulties [1]. The main craniofacial features include hypertelorism with downward slanting palpebral fissures, ptosis, low set, posteriorly rotated ears with a thick, deeply grooved philtrum and high arched palate [3,1]. Noonan syndrome is caused by mutations that alter genes encoding proteins with roles in the RAS signal transductional pathway that is also involve in pathogenesis of tumor development [1,4]. Therefore several cases has been reported of gaint cell lesions of the jaw similar
