From the case:
Papillary thyroid cancer (histology)
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H&E stain demonstrating Orphan Annie nuclei, characteristic of papillary thyroid cancer.
The comic book character Little Orphan Annie. See case discussion for full attribution.
Case Discussion
Attribution
Author: Harold Gray
Original file: https://commons.wikimedia.org/wiki/File:Little_Orphan_Annie.jpg
License: This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.
Modifications: square crop and background changed on the right side of the image.