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J Nucl Med. 1999 Jan;40(1):40-5.

67Ga scintigraphy in B-cell non-Hodgkin's lymphoma: correlation of 67Ga uptake with histology and transferrin receptor expression.

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  • 1Service de Médecine Nucléaire, Hôpital Avicenne, Bobigny, France.


67Ga scintigraphy is routinely used in the management of non-Hodgkin's lymphomas (NHLs), but the heterogeneity of 67Ga uptake in the different NHL histological subtypes has not been clearly explained. The transferrin receptors (TfR/CD71) play an important role in the mechanisms of 67Ga uptake by tumor cells. However, the relationship between the 67Ga uptake in NHL and the TfR/CD71 expression in lymphomatous cells remains to be defined. The aim of this study was to determine the intensity of 67Ga uptake in different histological subtypes of B-cell NHL (B-NHL) and to compare this uptake with the expression of TfR/CD71 on lymphomatous cells.


67Ga scintigraphy of 47 patients having histologically proven lymphomas was investigated. 67Ga uptake was semiquantitatively evaluated in regions of interest and was reported as 67Ga uptake index (GaUI). In all cases, biopsies were reviewed for classification of NHL. The expression of TfR/CD71 was determined on frozen sections and was semiquantitatively evaluated. The relationships between GaUI, histology and TfR/CD71 were investigated.


The values of GaUI were significantly related to the different histological subtypes analyzed (P = 0.0007) and to the presence of a large cells component, thus demonstrating that 67Ga uptake rose with the grade of lymphoma. Moreover, the values of GaUI and TfR/CD71 were closely related in the tested cases (P = 0.0059).


There were three factors influencing 67Ga uptake in NHL: histology, TfR/CD71 expression and the presence of a large cells component. This justifies the usefulness of 67Ga scintigraphy in staging the TfR/CD71-positive lymphomas.

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