The most common site of rupture of the esophagus during rigid esophagoscopy is at
Above cricopharynx
Near vocal cords
Gastroesophageal junction
At killian's dehiscence
Complications of Rigid esophagoscopyInjury to lips and teethInjury to arytenoidsInjury to pharyngeal mucosaPerforation of the esophagus; most often it occurs at the site of killian&;s dehiscence (near the cricopharyngeal sphincter)Compression of tracheaRef: PL Dhingra, Diseases of Ear, Nose & Throat, 7th edition, pg no. 486 - 487
Oral cavity & Oesophagus