cases, spine Week 544: Case 2 April 26, 2023 pathadmin 1. Presented by Peter Illei, M.D. and prepared by Mark Samols, M.D., Ph.D.55 y.o. black male patient with an epidural mass and a recent lung biopsy read as poorly differentiated non-small cell carcinoma with necrosis. The current material is a biopsy of the epidural mass. The tumor exhibits patchy p63 positivity while a mucicarmine stain and immunostains for TTF-1, Napsin-A and p40 are negative.images/samols/0121132a.jpgimages/samols/0121132b.jpgimages/samols/0121132c.jpgimages/samols/0121132d.jpgimages/samols/0121132e.jpgMetastatic non-small cell carcinoma, favor poorly differentiated adenocarcinomaMetastatic non-small cell carcinoma, favor poorly differentiated cell carcinomaMalignant ependymomaMetastatic large cell neuroendocrine carcinoma Loading...
