Preferred Label : Pseudopelade;
ICD-11 definition : Pseudopelade (Brocq) is a chronic, slowly progressive, patchy scarring alopecia of
the scalp that develops without any clinical evidence of inflammation, though histologically
there may initially be a low grade infiltration of lymphocytes around the hair follicle.
Many cases are thought to represent an insidious form of follicular lichen planus
of the scalp. It presents with multiple small smooth patches of alopecia within which
follicular ostia cannot be discerned.;
ICD-11 synonym : Pseudopelade of Brocq;
Origin ID : 1196440271;
Automatic exact mappings (from CISMeF team)
- Currated CISMeF NLP mapping
Pseudopelade (Brocq) is a chronic, slowly progressive, patchy scarring alopecia of
the scalp that develops without any clinical evidence of inflammation, though histologically
there may initially be a low grade infiltration of lymphocytes around the hair follicle.
Many cases are thought to represent an insidious form of follicular lichen planus
of the scalp. It presents with multiple small smooth patches of alopecia within which
follicular ostia cannot be discerned.
