What is De Quevarian Thyroiditis?

Less frequent than Hashimoto, 30-50 yrs old, 4:1 (F:M), uni or bilateral enlargement with no capsule involvement. 3 Phases (early [microabscess], Later [disruption of follicles, extravasation of colloid, infiltration of neutrophils and then replaced by lymphocytes, plasma cells and macrophages, which then provokes granulomatous reaction w/giant cells, healing may cause inflammation resolution/fibrosis] Advanced stage [inflammatory infiltrates and fibrosis]) Different stages may coexist