History:

A 42-year-old patient presented with a left thyroid nodule. FNA showed a predominantly microfollicular lesion suspicious for follicular neoplasm, and a left thyroid lobectomy was performed. Gross examination revealed a 1.8 cm solid, circumscribed nodule, and histology showed a well-demarcated follicular proliferation without evidence of invasion. A diagnosis of noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) was made.