Hockey dad is right - a biopsy is the only way to know for sure. It is affecting younger healthy people I'm not as young as you but read my info at the bottom of this post... I was darn healthy - your de. Sounds great. Most would have blown it off. Good luck and I do hope it's nothing,

Cheryl : Irritation - 2004 BX: 6/2008 : Inflam. BX: 12/10, DX: 12/10 : SCC - LS tongue well dif. T2N1M0. 2/11 hemigloss + recon. : PND - 40 nodes - 39 clear. 3/11 - 5/11 IMRT 33 + cis x2, PEG 3/28/11 - 5/19/11 3 head, 2 chest scans - clear(fingers crossed) HPV-, No smoke, drink, or drugs, Vegan