I went to the emergency room for sharp pains in my lower right back, but the doctors could not find what was causing the pain. I was given blood test and my lipase test was elevated. I was given a CT scan, but my pancreas was normal. The only pain I have is rectal pain when I have to go, when I pass gas, and when I am sitting. I sometimes have pain in my lower left abdomen that comes and goes, usually have pain when I am sitting. I had surgery to remove uterine fibroids 2 weeks ago. The emergency room doctor said this may have caused an elevated lipase, but to have it rechecked by my doctor. What would cause an elevated lipase? What diseases cause elevated lipase?