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    <!-- http://purl.obolibrary.org/obo/HP_0020255 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/HP_0020255">
        <rdfs:label>Abnormal lymph-node germinal center morphology</rdfs:label>
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    <!-- http://purl.obolibrary.org/obo/HP_0020264 -->

    <Class rdf:about="http://purl.obolibrary.org/obo/HP_0020264">
        <rdfs:label>Lack of germinal center mitotic figures</rdfs:label>
        <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/HP_0020255"/>
        <dcterms:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2023-11-10T19:54:40Z</dcterms:date>
        <ns2:IAO_0000115>Absence of extreme paucity of mitotic figures in a lymph node germinal center.</ns2:IAO_0000115>
        <rdfs:comment>Germinal centers typically have many cells undergoing cell division and therefore mitotic figures are frequently seen within germinal centers. If multiple germinal centers are present, it is unusual not to see at least some mitotic figures. Absent/decreased mitotic figures is an abnormal finding typically seen in low grade follicular lymphomas.</rdfs:comment>
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