Abstract
Thymic epithelial tumor (TET)-associated cytopenia is rare but difficult to treat. We performed a multicenter, retrospective study of TET and associated forms of cytopenia in France. Cases were collected by the French National Reference Center for Autoimmune Cytopenia and the French National Thymic Malignancy Interest Group (Réseau Tumeurs Thymiques et Cancer) and through a call for cases by the French Society of Internal Medicine. Thirty-six cases were recorded between 2002 and 2014 and followed up for a median of 38 months (interquartile range, 23-106 months). Thirty-two patients underwent surgery for TET, and 14 of the latter were in complete remission at last follow-up. Cytopenia can occur before, simultaneously, or after diagnosis of TET. The most common types of cytopenia were pure red cell aplasia (in 30% of cases) and Good syndrome (GS) (also in 30% of cases). Eleven patients displayed two or more episodes of cytopenia. Eighteen patients received steroids as their first-line treatment, leading to a complete response in nine. Other first-line treatments (cyclosporine and rituximab) were less effective but should be considered as treatment options. Infections developed in 84% of the patients with GS; this did not appear t...Continue Reading
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