the association of pernicious anemia with giant cell myocarditis , a rare fatal illness believed by some to represent an autoimmune abnormality occurring with other autoimmune diseases such as thymoma , systemic lupus erythematosus , dermatomyositis , thyrotoxicosis , wegener 's granulomatosis , and sjogren 's syndrome , is reported for the first time .
C0004364
autoimmune diseases
C0011633
dermatomyositis