Journal of Research in Medical Sciences1735-199512320070719147149ENOtolaryngology and Head & Neck Surgery Department, Isfahan University of Medical Sciences, Isfahan, Iran.Radiology Department, Isfahan University of Medical Sciences, Isfahan, Iran.Otolaryngology and Head & Neck Surgery Department, Isfahan University of Medical Sciences, Isfahan, Iran.200611262007051720070530<p>Bilateral maxillary sinus aplasia is an extremely rare congenital anomaly. Only a few cases have been reported in the literature. We present a 24- year-old woman with bilateral maxillary sinus aplasia associated with the bilateral absence<br />of the uncinate process and infundibular passage on CT images.<br /><strong>KEY WORDS</strong>: Maxillary sinus, aplasia, computed tomography.</p>http://jrms.mui.ac.ir/index.php/jrms/article/view/481http://jrms.mui.ac.ir/index.php/jrms/article/download/481/360