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. Author manuscript; available in PMC: 2019 Jan 1.
Published in final edited form as: Endocrine. 2017 Dec 4;59(1):143–150. doi: 10.1007/s12020-017-1484-1

Figure 1.

Figure 1

Microscopic pictures of papillary microcarcinoma (mPTC), noninvasive encapsulated/well circumscribed follicular variant. A: Low power view (40×) of a 0.2 cm encapsulated mPTC non-invasive follicular variant. Arrows indicate the capsule of the lesion. B: High power (600×) view of same lesion as in A. Enlarged, clear and irregular nuclei (typical nuclear features of papillary thyroid carcinoma) are indicated by an arrow. Nuclear overlapping and grooves also present. C: Low power view (40×) of a 0.2 cm well circumscribed mPTC non-invasive follicular variant from a different patient. Arrows indicate the well demarcated contours of the lesion with no capsule as well as no invasion in adjacent non-neoplastic thyroid parenchyma. D: High power (600×) view of same lesion as in C. Nuclear features of papillary thyroid carcinoma, are present in the form of clear, irregular, overlapping nuclei with scattered grooves (arrow).