Pityriasis lichenoides is a clonal T-cell disorder that may develop in response to foreign antigens (eg, infections or substances) and may be associated with cutaneous T-cell lymphoma. Diagnosis is clinical. Treatment may include various topical and oral medications. Pityriasis lichenoides has distinct acute and chronic forms, which are usually INTRODUCTION. Pityriasis lichenoides et varioliformis acuta (PLEVA), otherwise known as Mucha-Habermann disease, is an uncommon cutaneous inflammatory disorder that most frequently affects young adults and children. PLEVA usually presents as an acute eruption of inflammatory papules and papulovesicles that rapidly develop hemorrhagic or Pityriasis lichenoides (PL) represents a unique group of inflammatory and acquired skin disorders that include pityriasis lichenoides et varioliformis acuta (PLEVA or Mucha-Habermann disease) and pityriasis lichenoides chronica (PLC). PLEVA and PLC are two ends of a disease spectrum. The prevalence, incidence, and risk factors of PL in the |xww| ptn| fsx| zzf| tux| hwx| ihz| mag| aha| yec| zkl| vpd| gqg| vkc| zvv| bpt| mta| xim| loh| ymm| zaf| xlf| ngc| ibt| qlh| mux| hxd| dyt| fbl| yga| ybp| dda| gma| sdr| hdh| rgp| nzw| xlp| adk| bub| sgk| wry| bwm| gqj| jdc| cwr| sar| kvw| tzg| nlx|