To analyze the reasons necessitating hospitalization for psoriasis, especially the causes of acute exacerbation, a retrospective study was carried out in psoriatic inpatients admitted to National Taiwan University Hospital between April1996 and April2006.

• 为了分析造成干癣病患住院的原因，尤其是引起干癣恶化之因素，我们针对于民国85年4月至民国95年4月间在台大医院住院干癣患者进行一回顾性研究。