Preferred Label : Grade III Lymphomatoid Granulomatosis;
NCIt synonyms : Angiocentric Immunoproliferative Lesion Grade III; Grade III Angiocentric Immunoproliferative Lesions; Grade III Angiocentric Immunoproliferative Lesion; Grade III LYG;
NCIt definition : Lymphomatoid granulomatosis characterized by the presence of aggregates of neoplastic
large B-lymphocytes, usually admixed with pleomorphic and Hodgkin-like cells, in a
background of chronic inflammation. Necrotic changes are present and are usually extensive.
Grade III lymphomatoid granulomatosis should be approached clinically as a subtype
of diffuse large B-cell lymphoma.;