OTOLARYNGOLOGISTS have encountered fewer difficulties in preparing than in maintaining an artificially created passage from the frontal sinus to the nasal cavity in patients with an occluded infundibulum. Extranasal operations devised to create a frontonasal duct for adequate dependent drainage of the frontal sinus have become standard and reliable technics. But surgical procedures intended to prevent or to overcome the tendency toward partial or complete cicatricial stenosis of this newly constructed channel have been decidedly unsuccessful in a great many cases. Before making a plastic closure of an external fistula of the frontal sinus, it is essential that the frontonasal duct be open sufficiently to maintain drainage. If the sinus does not drain freely into the nose by a permanent channel, the fistula may recur. It was in making a frontonasal duct to secure drainage of the sinus that the present method was worked out. In a search for something
NEW GB, ERICH JB. AN ACRYLIC OBTURATOR EMPLOYED IN THE REPAIR OF AN OBSTRUCTED FRONTONASAL DUCT. Arch Otolaryngol. 1947;45(2):209–214. doi:10.1001/archotol.1947.00690010218008
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