Key result
Cystic pheochromocytoma can present atypically with profound leukocytosis and severe eosinophilia.
Why the study?
The association of concurrent leukocytosis and severe eosinophilia in a patient with pheochromocytoma is not well-documented in the literature, highlighting a need for further investigation.
Case Report (n=1)
No
This case report highlights a rare potential association between pheochromocytoma and severe isolated eosinophilia.
Clinicians should consider pheochromocytoma in unexplained eosinophilia with adrenergic symptoms; leaves open whether this association is causal or coincidental.
A 33-year-old woman presented with fulminant eosinophilic myocarditis requiring venoarterial extracorporeal membrane oxygenation (ECMO). A computed tomography (CT) scan revealed a retroperitoneal mass that was eventually diagnosed as a pheochromocytoma. This case highlights the need for a comprehensive diagnostic workup for acute cardiomyopathy manifesting as cardiogenic shock in young patients and the benefit of early initiation of mechanical support facilitating both diagnosis and recovery.
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Levin et al. (2021) conducted a case report in Pheochromocytoma with severe eosinophilia (n=1). Doxazosin and propranolol was evaluated.
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