Frequency of preauricular sinus differs depending the population: 0.1-0.9% in the US, 0.9% in the UK, and 4-10% in Asia and parts of Africa. Comparative frequency is known to be higher in Africans and Asians than in Caucasians. Preauricular sinuses are inherited features, and most often appear unilaterally.
Rhinitis is inflammation of the nasal cavity lining (inside the nose). It is often caused by allergies. It may also be caused by environmental factors such as pollution, weather changes, stress, infections, and som...
If you have heard a reference to your nasal turbinates where are these located? What is the anatomy of this part of the nose, what is its function, and what disorders may occur? Nasal Turbinates: Definition