Nasal Polyps in children-Treatment | Nasal polyps effects on health Straight from your Specialist Doctor We need to understand what polyps are, what is the difference between polyps in children, what is the difference in adults and then maybe we can have an understanding of how it can be managed. Polyps are basically outgrowths of the lining of the nasal mucosa or the sinus mucosa and if it is from the sinus, it comes out of the sinus through small holes which are the natural draining pathways,