Immediately after an injury
to the nose, the inner lining of the nose and the sinuses
or the mucosa can swell up because of the trauma. This can cause a blockage of what we call the internal valve of the nose and the exit path of the sinuses leading to restricted airflow. The symptoms would resemble that of a cold
. This is a temporary phenomenon and should resolve by itself within afew days if the MRI report is entirely normal.