PET has a high false positive rate, still will only pinpoint an area to biopsy if the uptake value in that area is elevated...and in my area costs $6k a pop. If it's only inflammation, it will show on a PET and still need a biopsy to confirm it.

Young Frack, SCC T4N2M0, Cisplatin,35+ rads,ND, RT Mandiblectomy w fibular free flap, facial paralysis, "He who has a "why" to live can bear with almost any "how"." -Nietzche "WARNING" PG-13 due to Sarcasm & WAY too much attitude, interact at your own risk.