Clear Cell Sarcoma of Kidney : Orphan Annie Nuclei

Section Editor: Dharam M. Ramnani, MD

Virginia Urology, Richmond, VA, USA

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Image Description

Due to a fixation artifact, many nuclei in clear cell sarcomas of kidney appear empty or optically clear (Orphan Annie nuclei). This is similar to the nuclei of papillary thyroid carcinoma.

Image 60 of 85