Fig. 4
From: The efficacy of transnasal palatal transillumination for the diagnosis of submucous cleft palate
a Transoral view of the bifid uvula and zona pellucida. b Transnasal transillumination of the palate showing the bifid uvula and membranous part of the palate extending to the bony part. c Transoral dissection of the central part of the palate (intersection of the palatal and nasal mucosa) with preservation of nasal mucosa showing the muscular part on both side of membranous palate with lateral release incisions (von Langenbeck technique). d Repair of the palatal muscles and mucoperiosteal flaps on the oral side with 3-0 vicryl. e Post-repair transnasal transillumination of the palate