It’s snot too bad when they’re unclogged

I CLEARLY remember learning about the paranasal sinuses in medical school, where navigation of their dark labyrinths (metaphorically at least, for my first-year anatomy exams) felt like a pioneering speleological expedition.

All those narrow ostia to squeeze through and recesses to explore. And I always thought the crista galli and cribriform plate sound like exotic lost treasures from an Indiana Jones movie.

But as a GP, where bunged-up sinuses are both common and frustrating to treat, the shadowy alcoves of the sphenoid have lost their past mystique. These days it is not so much Indiana Jones and the Last