Figure 2. Positive staining of epithelial cells with pan cytokeratin showing that it’s carcinoma (immunohistochemistry)

From

Carcinoma Causing Thrombotic Thrombocytopenic Purpura and Myelonecrosis: A Very Rare Event

Ilknur Nizam, Mehmet Ali Erkurt, Ilhami Berber, Mustafa Koroglu, Emin Kaya, Irfan Kuku, Nese Karadag

American Journal of Medical Case Reports. 2015, 3(11), 372-373 doi:10.12691/ajmcr-3-11-6