Paranasal sinuses are the cavities at the skull that make it lighter in relation to its volume. Sinuses are present on both sides at their locations either frontal, ethmoid, maxillary, or sphenoid sinuses [1]. Aplasia or agenesis of sinuses can occur alone or in association with other syndromes and can occur also unilateral or bilateral [2]. Frontal and maxillary sinuses ... Read more