"Functioning follicular adenomas occur due to a monoclonal expansion of thyroid follicular cells with a high prevalence of activating mutations in the gene for the TSH receptor (TSHR) 1."
"can be homogenous or heterogeneous 6"
Expected headings
"Subtypes"
"follicular thyroid carcinoma: similar sonographic and cytological appearances; typically can only be distinguished from follicular thyroid adenoma on histology 7"