Reports portal vein thrombosis presenting with thrombocytopenia in eosinophilic granulomatosis with polyangiitis, indicating hypercoagulability driven by eosinophilia.
A 36-year-old woman with eosinophilic granulomatosis with polyangiitis (EGPA) presented with necrotic skin lesions and pulmonary infiltrates. There was eosinophilic vasculitis on skin biopsy, and substantial tissue eosinophilia in her bone marrow. She had unexplained worsening thrombocytopenia, which prompted a thrombophilia work-up. However, abnormalities in liver enzymes led to the extraordinary finding of portal vein thrombosis. Thrombocytopenia resolved with treatment with low molecular weight heparin. This case highlights the risk of hypercoagulability in eosinophilia specifically, and in EGPA. We suggest that thrombosis should be ruled out in all cases of EGPA. LEARNING POINTS: Eosinophilia is a hypercoagulable state.Thrombocytopenia is not part of eosinophilic granulomatosis with polyangiitis (EGPA) and may herald thrombosis.Thromboembolism should be ruled out in the setting of EGPA with eosinophilia.Prompt diagnosis can prevent unnecessary procedures.
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Wolf et al. (2018) studied this question.
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