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Basal cell carcinoma (BCC) is the most common cancer worldwide, and 85% of all BCCs occur in the head and neck. In the periocular region, recurrent BCC is associated with significant morbidity and, therefore, the ability to identify high-risk tumours is particularly important.1 The Royal College of Pathologists (RCPath) has previously highlighted the key parameters recommended for inclusion in all histopathological reporting to optimise the identification of tumours with aggressive features which may be more likely to recur.2 Recommended parameters included: size (in mm), maximal diameter, histopathological subtype, margins (in mm) both deep and peripheral. For high-risk histological subtypes (infiltrative, micronodular and basosquamous), perineural invasion, lymphovascular invasion and level of invasion are also recommended for inclusion. The histology reporting proforma additionally suggests that negative findings should also …
Contributors SCH and DS contributed to the conception of the design and final approval of version to be published. MTS and AW contributed to the data collection, interpretation of data and manuscript preparation.
Competing interests None.
Provenance and peer review Not commissioned; externally peer reviewed.
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