CD40LG and hemosiderosis: The two immunoglobulins showed different expression between the groups considered, with IgM more expressed in the “Hyperplasia” group than in the “Hyperplasia with congestion/hemorrhage and hemosiderosis” group (p < 0.05), while IgT is markedly less expressed in “Hyperplasia with congestion/hemorrhage and hemosiderosis” group when compared to the “Normal” group (p < 0.01).