title: Ultrastructure of an anaplastic carcinoma of the thyroid.
mesh_terms: D002277:Carcinoma / Q000175:diagnosis / Q000473:pathology*; D002466:Cell Nucleolus; D002467:Cell Nucleus; D003593:Cytoplasm; D003937:Diagnosis, Differential; D004848:Epithelium / Q000473:pathology; D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D008875:Middle Aged; D012509:Sarcoma / Q000175:diagnosis; D013964:Thyroid Neoplasms / Q000175:diagnosis / Q000473:pathology*