Case Report

Isolated Solitary Intramedullary Spinal Cord Metastasis Presenting as the First Manifestation of Small-Cell Lung Cancer: Report of a Rare Case

Figure 3

Malignant tumor consisting of small, carrot-shaped blue cells invading the surrounding soft tissue (H&E, 100). Pan-cytokeratin immunopositivity in most of the tumor cells (DAB, 100). Synaptophysin immunopositivity in a few necrotic tumor cells (DAB, 200).