Cystic Fibrosis Paranasal Paranasal Sinus Cystic Fibrosis Sinus Paranasal Sinus Cystic Fibrosis AnnihtyuahtyuiRiddle Rabu, 21 Juni 2017 Sinusitis wikipedia. Sinusitis, also known as a sinus infection or rhinosinusitis, is inflammation of the sinuses resulting in symptoms. Com...