Onset of pityriasis lichenoides in patients treated with biologic therapy: a systematic review

Pityriasis lichenoides (PL) is a rare cutaneous disorder characterized by erythematous and pruritic papules. PL development has been documented as an adverse effect following biologic treatment. This systematic review identifies and summarizes cases of PL development in patients receiving biologic therapies for immune mediated diseases.

pityriasis lichenoides（lichenoid 疣状）是一种罕见的皮肤病变，以红斑和瘙痒性丘疹为特征。关于生物治疗后的不良影响，已有文献记载了该病的发病情况。本系统综述旨在识别并总结接受生物疗法治疗免疫介导性疾病的患者中 pityriasis lichenoides 的发病案例。