what is x ray pns?
PARANASAL SINUSES X-RAY. What Does Paranasal Sinuses X-ray (PNS) Mean? X-ray of the sinuses or paranasal sinus radiography is X-ray examination which can be performed with minimal discomfort. What Are Sinuses? Sinuses are air – filled spaces (cavities) which are lined with mucous membranes within the skull bones (1).