title: [Correlation between the grade of histological malignancy and nuclear positivity using the AgNOR technique in 6 cases of isolated bone NHL].
abstract: Several reports have shown that the degree of positivity for the AgNOR count can be used to evaluate the aggressiveness of malignancies since it express an increased protein-synthesis activity. This technique was applied to six cases of stage I osseous non-Hodgkin's lymphoma--4 intermediate grade (2 diffuse small, non-cleaved cell and 2 diffuse large, non-cleaved cell lymphomas) and 2 high-grade immunoblastic lymphomas--in order to assess the histologic grade and the number of AgNOR-positive regions. It was noted that survival together with the trend to invade the surrounding soft tissues (i.e., the tumour aggressiveness) correlated with the AgNOR granule count. Both factors were also related with Ki-67 cell-proliferation antibody positivity. Such correlations were even higher than those found with the histologic features conventionally evaluated in the Working Formulation, so they seem to convey more reliable indices of neoplastic growth potential.
authors.affiliation: Divisione di Anatomia Patologica, Ospedale Civile di Alessandria, Italia.
authors.forename: M F
authors.initials: MF
authors.lastname: Cosimi
authors.forename: I
authors.initials: I
authors.lastname: Casagranda
authors.forename: C
authors.initials: C
authors.lastname: Porta
authors.forename: M
authors.initials: M
authors.lastname: Moroni
authors.forename: R
authors.initials: R
authors.lastname: Orsi
authors.forename: G
authors.initials: G
authors.lastname: Nastasi
mesh_terms: D015703:Antigens, CD / Q000032:analysis; D000951:Antigens, Neoplasm / Q000032:analysis; D014408:Biomarkers, Tumor / Q000032:analysis; D001859:Bone Neoplasms / Q000473:pathology*; D005260:Female; D006801:Humans; D019394:Ki-67 Antigen; D016403:Lymphoma, Large B-Cell, Diffuse / Q000473:pathology; D016400:Lymphoma, Large-Cell, Immunoblastic / Q000473:pathology; D008228:Lymphoma, Non-Hodgkin / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D009363:Neoplasm Proteins / Q000032:analysis; D009687:Nuclear Proteins / Q000032:analysis; D009697:Nucleolus Organizer Region / Q000648:ultrastructure*; D016622:Silver Staining
chemical_list: D015703:Antigens, CD; D000951:Antigens, Neoplasm; D014408:Biomarkers, Tumor; D019394:Ki-67 Antigen; D009363:Neoplasm Proteins; D009687:Nuclear Proteins
vernacular_title: Correlación entre el grado de malignidad histológica y la positividad nuclear con la técnica de AgNOR en 6 casos de LNH óseos monolocalizados.