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eosinophilic angiocentric fibrosis

Wednesday 11 May 2011

Definition: Eosinophilic angiocentric fibrosis (EAF) is an uncommon tumefactive lesion of the orbit and upper respiratory tract of unknown etiology. EAF is part of the spectrum of IgG4-related systemic disease.

The condition is characterized histologically by concentric layers of fibrosis around small-caliber arteries and a mixed inflammatory infiltrate dominated by eosinophils.


- Eosinophilic Angiocentric Fibrosis Is a Form of IgG4-related Systemic Disease. Deshpande V, Khosroshahi A, Nielsen GP, Hamilos DL, Stone JH. Am J Surg Pathol. 2011 May;35(5):701-6. PMID: 21502911