A male is presenting with a violaceous papule which is pruritic. There is pterygium of nail with cicatracial alopecia. Diagnosis is –
Information we got :-


Lesion is pruritic
No scales
Violaceous papule
Pterygium of nail
Cicatracial alopecia


All are seen in Lichen planus.
Psoriasis
Pityriasis rosea
Lichen planus
Seborrheic dermatitis