Rectal mature teratoma: A case report

Figure 4 Pathology of rectal teratoma. A: Surgical resection of pathological specimens. The mass was completely removed, and a piece was removed every 1 cm. The tissues were then fixed, dehydrated, soaked in wax, embedded, and stained with hematoxylin and eosin staining (HE); B: Rectal teratoma with bone marrow and cartilage (indicated by the arrow) (HE, 4 × 10 magnification); C: Rectal teratoma with squamous epithelium and sebaceous glands (indicated by the arrow) (HE, 4 × 10 magnification); D: Rectal teratoma with brain tissue (HE, 20 × 10 magnification).