Diagnostic utility of cytokeratin 19 expression in multinodular goiter with papillary areas and papillary carcinoma of thyroid

The most common benign lesion of thyroid, multinodular goiter, may mimic papillary carcinoma if it contains papillary areas. Although it is usually not very difficult to distinguish between these benign and malignant lesions, some cases may be problematic in differential diagnosis. In these cases, w...

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