Heart Biopsy May Help Diagnose EGPA in ANCA-negative Cases
A biopsy of heart muscle may aid in the diagnosis of eosinophilic granulomatosis with polyangiitis (EGPA) with cardiac involvement in patients negative for antineutrophil cytoplasmic antibodies (ANCAs) and with a negative skin biopsy, a case study suggests. The study, “Endomyocardial biopsy facilitates diagnosis of…