1、鼻囊肿Cystofnose1Cyst of nasal vestibule2ConceptCyst of nasal vestibuleisasingleantrumcystwithinsofttissuesurfaceofmaxillaalveolarprocess(上颌牙槽突),locatedrootofalaenasiandfrontofpyriform aperture3EtiologyInembryonicdevelopmentstage,itisdevelopedfromresidualepithe