Key result
Cardiac rhabdomyosarcoma linked to hypereosinophilia in a rare malignancy association.
Why the study?
Hypereosinophilia associated with malignancy is a rare occurrence typically denoting extensive metastasis and poor prognosis, and its underlying mechanisms remain under discussion.
Case Report (n=1)
This case report highlights a rare association between hypereosinophilia and cardiac rhabdomyosarcoma, potentially driven by tumor production of eosinophilopoietic cytokines.
Hypereosinophilia may rarely signal cardiac rhabdomyosarcoma; leaves open need for malignancy evaluation in such patients.
Hypereosinophilia, defined as an absolute eosinophil count exceeding 1,500/mm(3), is caused by a limited number of disorders. Its association with malignancy is a rare occurrence that typically denotes extensive metastasis and a poor prognosis. Several theories have been proposed to explain the hypereosinophilia associated with malignancy, focusing on the production of eosinophilopoietic cytokines by tumors. We describe a patient with hypereosinophilia associated with a cardiac rhabdomyosarcoma, review the etiologies of hypereosinophilia, and discuss the possible mechanisms.
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Re et al. (2003) conducted a case report in Hypereosinophilia associated with cardiac rhabdomyosarcoma (n=1). Cardiac rhabdomyosarcoma was evaluated. A case of hypereosinophilia associated with a cardiac rhabdomyosarcoma is described, highlighting a rare association with malignancy.
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