Orofacial overgrowth with peripheral nerve enlargement and perineuriomatous pseudo-onion bulb proliferations is part of the PIK3CA-related overgrowth spectrum (PROS)
Individuals with orofacial asymmetry due to mucosal overgrowths, ipsilateral bone and dental aberrations with perineurial hyperplasia and/or perineuriomatous pseudo-onion bulb proliferations, comprise a recognizable clinical entity. In this report, we describe three individuals with this clinical entity and mosaic PIK3CA variants, c.3140A>G; p.(His1047Arg), c.328_330delGAA; p.(Glu110del), and…