Fig. 3From: Solitary pulmonary metastasis after meningioma surgery of the head: a case reportPathological findings of the pulmonary metastasis of meningioma. a The boundary between the tumor and surrounding tissue was clear (hematoxylin–eosin staining, original magnification 20×). b Short spindle-shaped tumor cells with a slightly acidophilic cytoplasm and exhibiting complex proliferation were detected (hematoxylin–eosin staining, original magnification 400×)Back to article page