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![Spinal intradural mature teratoma in an elderly patient](https://image.oaes.cc/276616fb-e686-4a97-95b2-621a39913845/1181.fig.2.png)
Figure 2. Photomicrographs of the tissue obtained intraoperatively. (a) A slightly disorganized cartilage surrounded by respiratory mucosa complete with bronchial glands and ciliated columnar epithelium (H and E, ×20); (b) cystic formations covered by multiple levels of keratinous squamous epithelial cells containing keratin lamellae (H and E, ×20). H and E: Hematoxylin and eosin stain