Sinusitis is effectively managed by Homoeopathy. I think your are suffering from long time from this. Such cases needs proper details of your sign and symptoms, family history , personal history, modalities, etc. Usually homoeopaths prescribe Calcarea carb, Arsenic album, Silicea, pulsatilla, Cinnabaris, kali carb, etc.
Health Tips
Don't under go for any surgery because it may recur again after few months or year. Don't waste your time and money and consult homeopathic physician for most effective treatment.