Early recognition of scarring alopecia: part 2

This is the second of a two-part article on scarring alopecias. In this part, we consider some additional dermatoses specific to the scalp, some general dermatoses that may cause scarring if the scalp is involved, and differential diagnoses. As in part 1, we stress that scarring is an irreversible process. Thus, recognition that a scarring process is present, identification of the specific disease, and prompt treatment to try to halt ongoing scarring – but with explanation of the limitations of intervention – are all important issues.