Despite the short follow-up in this small series of patients, we suggest endoscopic surgery combined with postoperative radiation therapy as an alternative to the conventional modalities of treatment for esthesioneuroblastoma in selected cases.
Our aim was to study sIL-2R relationship with main serum immunological and LSG immunohistochemical parameters, including surface antigen expression of immune activation, in 27 patients with primary SS. Serum sIL-2R levels were significantly higher in SS (p<0.00005), as well as in SLE (p<0.05) and RA (p< 0.000001) patients than in controls. In SS patients with abnormal slL-2R values (n = 7) we found higher levels of anti-SSB/La antibodies (p<0.05), IgM-RF (p<0.014) and CRP (p<0.003) with respect to those with normal sIL-2R values (n = 20). Moreover, sIL-2R levels correlated positively with those of anti-SSB/La antibodies (p<0.0037) and with CRP (p<0.008). The comparison of groups with (A) and without (B) abnormal slL-2R levels reveals a statistically different percentage of patients with foci number > 1 (86% vs 40%; p <0.047), and CD25 expression on lymphocytes (100% vs 40%; p < 0.008). The frequency (p < 0.025) of CD25 expression on lymphocytes was higher in group A than in group B. The frequency of CD25 expression on the infiltrates correlated not only with sIL-2R levels (p<0.047), but also with anti-SSB/La antibody values (p < 0.044), with Tarpley histological classes (p < 0.009) and with frequency of HLA-DR expression on lymphocytes (p<0.004) and on epithelial cells (p<0.002). The frequency of epithelial CD25 expression also correlated with that of epithelial HLA-DR (p<0.004). Our report suggests that slL-2R is linked to glandular involvement in primary SS.
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