Yes I have fibromyalgia, and I have what appears to be swelling on the top of both hands also trigger point pain
Do You Get Lumps Under Skin With Fibromyalgia? They Are Very Painful
You can this is called maofacitis (I think that is how you spell it) and they really hurt. You can massage them softly under warm soft running water and this will help. Or if you can swim or use a hot tub they work wonders!!