Single Solitary Fibrous Tumor Brain Metastasis in a Patient with Simultaneous Adenocarcinoma of the Lung: Case Report and Review of the Literature

Figure 4

Hematoxylin and Eosin, low-power 100x view of solitary fibrous tumor. Mesenchymal neoplasm comprised by spindled cells embedded within a collagen matrix. The tumor is fed by a mixture of small slit-like vessels and large ectatic vessels with a characteristic “staghorn” appearance.