 3. Nasal scrape nasal curettage or Rhinoprobe: A small sterile disposable plastic probe will be inserted into the nose and will be gently pressed against the inside surface lining of the nostril. The 3 inch long probe has a tiny scoop on the end, which can barely be see. 24 tiny samples from each nostril a pinhead, 2mm, of tissue will be taken from a part of the nose that has a reduced nerve supply to limit any discomfort. Taking this sample does not cause bleeding, but may cause some mild discomfort, and may make the eyes water slightly. The probe will collect nasal cells from the surface of the nostril which will then be sent for analysis. This method has been performed on many adults, children, and babies, and has been very well tolerated. 