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RGD DISEASE ONTOLOGY - ANNOTATIONS

RGD uses the Human Disease Ontology (DO, https://disease-ontology.org/) for disease curation across species. RGD automatically downloads each new release of the ontology on a monthly basis. Some additional terms which are required for RGD's curation purposes but are not currently covered in the official version of DO have been added. As corresponding terms are added to DO, these custom terms are retired and the DO terms substituted in existing annotations and subsequently used for curation.
Term:poorly differentiated chordoma
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Accession:DOID:0081417 term browser browse the term
Definition:A chordoma that is characterized by loss of SMARCB1 expression and that is composed of sheets or nests of malignant epithelioid cells with abundant eosinophilic cytoplasm. (DO)
Synonyms:xref: ICDO:9370/3;   NCI:C177898

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Term paths to the root
Path 1
Term Annotations click to browse term
  disease 14089
    disease of cellular proliferation 6656
      Neoplasms by Histologic Type 4632
        Germ Cell and Embryonal Neoplasms 514
          chordoma 4
            poorly differentiated chordoma 0
Path 2
Term Annotations click to browse term
  disease 14089
    disease of cellular proliferation 6656
      cancer 4822
        organ system cancer 4610
          musculoskeletal system cancer 763
            connective tissue cancer 742
              bone cancer 697
                notochordal cancer 4
                  chordoma 4
                    poorly differentiated chordoma 0
paths to the root