Lines under the eyes: a large prospective case series of linear basal cell carcinomas.

Basal cell carcinomas (BCC) are the most common form of cancer globally. Linear BCCs are an unusual variant which are generally defined by having a length three times longer than the width and exhibiting relatively straight edges. In this report, we describe the largest global cohort (n = 31) with this rare subtype. Within this cohort, 22 were in the periocular region, 27 underwent Mohs micrographic surgery and 12 involved oculoplastic reconstruction. These results suggest that, whilst this subtype is relatively rare, it may be more prevalent than previously thought. Dermatologists and other specialities managing skin cancer, particularly ophthalmologists, should, therefore, be aware of this subtype, as it is often more aggressive than other BCC subtypes, often requiring multi-disciplinary management.