My mother have so many lump in hand from last few years almost 3 and one is under toung from past 1.5 years in which she have some pain. And now a new one from past few months approx 8 and more and having back pain because of that from past few days. Previously she saw a orthopedic doc she told it's a charbi k ganth ( 1.5 yr back). I want to know about that what it is and which specialist we have to prefer to test that thing. Please help me