title: Usefulness of electron microscopy in the diagnosis of tumors.
mesh_terms: D002277:Carcinoma / Q000648:ultrastructure; D006801:Humans; D008223:Lymphoma / Q000648:ultrastructure; D008545:Melanoma / Q000648:ultrastructure; D008579:Meningioma / Q000648:ultrastructure; D008654:Mesothelioma / Q000648:ultrastructure; D008854:Microscopy, Electron / Q000706:statistics & numerical data*; D009369:Neoplasms / Q000175:diagnosis* / Q000648:ultrastructure; D012509:Sarcoma / Q000648:ultrastructure; D013945:Thymoma / Q000648:ultrastructure