Clinical implications of nodal reactive follicular hyperplasia in the elderly patient with enlarged lymph nodes.

TL;DRAbstract

In older persons, the humoral immune response, as reflected morphologically by proliferation and expansion of germinal centers, is relatively subdued in comparison with the florid reactive follicular hyperplasia (RFH) which may be observed in younger age groups. The presence of RFH in lymph node biopsies in patients 60 yr or older, which we have regarded with concern since 1972, appears to represent an imbalance of the immune system, in some patients, on the background of which predominantly non-Hodgkin's malignant lymphoma (NHL) may be present or will develop. Fifty-eight patients 60 yr old or more who presented with enlarged lymph nodes exhibiting inappropriate RFH for age were identified during the interval from 1969 to 1989. An apparent etiology was initially identified for the reactive follicular hyperplasia in only 12 cases: five with documented rheumatoid arthritis; one each with a history of trauma, positive monospot test, and combination of thrombophlebitis and fungal skin inf

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