Primary Immunoglobulin G4-Related Laryngeal Disease: A Case Series and Review of Literature

Immunoglobulin G4-related disease (IgG4-RD) is an increasingly recognised cause of various systemic fibro-inflammatory conditions. However, laryngeal involvement as a primary feature is extremely rare. We aimed to report on a case series of such patients and examine the global literature relating to laryngeal involvement.Having previously reported a case of IgG4-RD laryngeal pseudotumour, we describe a case series of further 4 patients with...