1. CD163 Immunohistochemical "Circle Sign" Staining Pattern Differentiates Sinonasal Papillomas From Morphologically Similar Non-neoplastic Lesions. (23rd November 2022) Authors: Sterling, Brent C.; Mehrad, Mitra; Ely, Kim A.; Lewis, James S. Journal: American journal of surgical pathology Issue: Volume 46:Number 11(2022) Page Start: 1507 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗