Differential diagnostics of follicular proliferation (I)
Follicular carcinoma - Case 9
Chronic lymphocytic thyroiditis - Case 43

Follicular carcinoma presents microfollicular and lymphocytic thyroiditis a mixed micro-normofollicular proliferation. There is no difference regarding the atypia. The only cytological sign which raises the possibility of thyroiditis in the right case is the presence of nuclear debris.
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