Fig. 2From: Diagnostic pitfall of thyroid fine-needle aspiration induced fibrosis: follicular adenoma mimicking medullary thyroid carcinoma in frozen sectionHematoxylin and eosin (H&E)-stained frozen section of the thyroid mass. a At low magnification (× 20), the tumor was relatively well-circumscribed. b At high magnification (× 200), the tumor cells were found to be arranged in a trabecular pattern between homogenous eosinophilic materialsBack to article page