buffered-formalin fixed , paraffin embedded sections of warthin 's tumor , cystadenoma , oncocytoma , autoimmune thyroiditis , normal salivary gland , and reactive peripheral lymph node were obtained and processed via the peroxidase-antiperoxidase method following trypsinization to re-expose antigenic sites .
C0001429
warthin 's tumor
C0036098
salivary gland