%0 Case Reports %T Delayed diagnosis of hyperimmunoglobulin E syndrome with STAT3 mutation in mainland China: a case report and literature review. %A Fang J %A Yang Q %A Pi B %J J Int Med Res %V 49 %N 4 %D Apr 2021 %M 33900869 %F 1.573 %R 10.1177/03000605211008073 %X Hyperimmunoglobulin E syndrome (HIES) is a rare immunologic disorder. Typical clinical features of HIES include recurrent bacterial pneumonia, lung cysts, characteristic facial features, and newborn dermatitis. The varied clinical presentation can lead to a delayed diagnosis. We herein present a sporadic case of HIES in a man who initially presented with a longstanding history of intractable skin abscesses.