Sieve sinus mucosal thickening and increased density is the description of imaging, suggesting the possible existence of sieve sinusitis, such as headache, nasal congestion and other symptoms, generally do not need to be dealt with, if the combination of clinical symptoms, you need to actively seek medical standardized treatment. Sieve sinusitis belongs to the sinusitis, for the sieve sinus mucosa and submucosal inflammatory lesions, usually diagnosed by sinus MRI or sinus CT examination, manifested as the sieve sinus mucosal thickening, increased density. If sieve sinusitis does not manifest symptoms such as dizziness, headache, nasal congestion, pus flow, etc., it can be observed and does not require special treatment. However, if you have the above symptoms, you need to consult a doctor in time, under the guidance of the doctor to standardize the use of medication and treatment for the relevant symptoms.