Serum concentration of cardiac Troponin T in patients with hypereosinophilic syndrome treated with imatinib is predictive of adverse outcomes.

We read with great interest the recent article by Pardanani et al[1][1] on the treatment of 7 patients (pts) with hypereosinophilic syndrome (HES) and other chronic myeloid disorders associated with eosinophilia (eos-CMD) by imatinib mesylate (Gleevec). In their experience, 2 pts with HES and 1 with