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Case 57

A 45-year-old female presented with a 4.0 cm mass in the left thyroid.

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  1. Is this papillary thyroid carcinoma or benign neoplasm?


Answer

This is minimally invasive follicular variant of PTC. However the nuclei features are subtle. See the table below:


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References: Lester D.R. Thompson, Update on follicular variant of papillary thyroid carcinoma with an emphasis on new terminology: noninvasive follicular thyroid neoplasm with papillary-like nuclear features, Diagnostic Histopathology,

Volume 22, Issue 5, 2016, Pages 171-178, ISSN 1756-2317, https://doi.org/10.1016/j.mpdhp.2016.04.009.


Case credit: UCSD Pathology

Author: Wangpan Jackson Shi, MD


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