Amyloid Goiter Associated with Amyloidosis Secondary to Rheumatoid Arthritis - Gungor Uzum; Fatih Oner Kaya; Ayse Kubat Uzum; Meltem Kucukyilmaz; Mehmet Emin Gunes; Yigit Duzkoylu; Cem Leblebici; Oguz Koc; Yavuz Selim Sari (Case Reports in Medicine)