Recurrent nasolacrimal duct obstruction after primary endoscopic DCR is mainly due to reclosure of the nasolacrimal stoma with synechia and fashioning of the small misplaced bony window. Mitomycin C does not increase the success rate of revision endoscopic DCR. It is a safe procedure and may be of value only in patients inaccessible to strict follow-up because it induces a better healing profile in terms of mucosal recovery, wound healing, and less need for debridement sessions.

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The olfactory bulb is characterised by neural plasticity, and its volume may be affected by the peripheral olfactory function.

Telescopic-assisted radiofrequency-curette adenoidectomy allows removal of huge adenoids completely in a precise, easy, and cost-effective procedure, with minimal blood loss and short operating time. The use of transoral telescopes provides a clear visualization that helps complete removal of the adenoids, reduction of unnecessary trauma, and effective control of bleeding.