I was diagnosed with Dysplasia of the tongue a few weeks ago and have just had c02 laser surgery. I'm a lifetime (now mid 60's) non smoker and drink only in moderation and consider myself to be reasonably fit and with a varied diet that avoids spicy foods. So I'm a bit miffed that I have succumbed to whatever it is that has triggered the onset of the Dysplasia. Before the operation I was asked a number of times whether I have any allergies. About 3 years ago I suffered a severe allergic reaction to something which made my eyes red itchy and swollen to the point that I wanted to scratch out my own eyes. I ended up in A&E and was prescribed cortisone steroid cream. This did the trick but I then realised that I was continuing to have an allergic reaction to whatever it was which was manifesting as Oral Allergy Syndrome (OAS) and certain fresh fruits and vegetables would make my lips and tongue tingle and begin to swell. After some research on allergies and the timing of when the symptoms appear I came to the conclusion that it's a Birch Pollen Allergy. It might be nothing but a coincidence but we have two Birch trees in the street in front of our house and for years I have slept in a front bedroom with the window open - within a couple of metres of the crown of the Birch trees. So - this is the question - could there be a connection between the OAS and the subsequent onset of oral Dysplasia ? I have mentioned this to my GP, my dentist, my Consultant and the aneathatist but none seem to be up to speed on allergies. I'm going to try and see if I can approach this on a multi-agency basis and get these professional to talk to each othe . I'm not one for reinventing the wheel so if anyone knows of any established links between OAS and oral Dysplasia please chip in - but I've not managed to find anything yet.