Figure 5. HE, p63+, CK20 +, Ki67: A. HE (200x), B. + p63 (100x, marker for squamous cell differentiation), C. + Cytokeratin 20 (CK20; 100x), D. Proliferation index: Ki67 (200 x; 30%)

From

Metastatic Lung Carcinoma to Skull, an Atypical Presentation with Atypical Radiologic Features: A Case Report

Arturs Balodis, Davis Simanis Putrins, Julija Dolgopolova, Inese Briede, Renars Putnins, Ginta Balode

American Journal of Medical Case Reports. 2020, 8(11), 394-396 doi:10.12691/ajmcr-8-11-4