Hypereosinophilic syndrome (HES) is a heterogeneous group of disorders with the common feature of prolonged eosinophilia of unknown cause and associated dysfunctions of organ systems, including the hematologic, cardiovascular, cutaneous,
neurologic
and
respiratory systems, as well as the spleen, liver, eye, and gastrointestinal tract. Bone marrow is involved in almost all subjects, and the most severe complications involve the heart and the central nervous systems. We report a case of HES
observed in
a 37-year-old man with digital necrosis and persistent eosinophilia lasting for more than 6 months. This patient also showed signs of peripheral neuropathy, cutaneous manifestations, and eosinophilic hyperplasia on the bone marrow biopsy.
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