Although delusions might be a symptom of more common disorders, such as schizophrenia, delusional disorder itself is rather rare. Delusional disorder most often occurs in middle to late life and is slightly more common in women than in men.
Canker Sores. Canker sores are ulcers that usually appear on the base of your gums, tongue, the roof of your mouth and the inner surface of your lips and cheeks. Canker sores start as painful, red bumps, then develop into open ulcers with a yellow or white middle. The areas around canker sores are bright red.
Resolved Question: Underneath my tongue and in the floor of my mouth there's what feels like a swollen, bumpy, tubular lump that runs all along the bottom of the boney ridge beneath my teeth. It's not painful but it sometimes changes slightly in shape and becomes more rigid after I've eaten.