In order to diagnose oral and maxillofacial malignancies, this article emphasises the foundation for genesis and significance of tumour patterns. This page lists the histological subpatterns and patterns of head and neck tumours. Although undifferentiated tumours continue to be difficult for histopathologists to diagnose, an attempt has been made by characterising the histological patterns and subpatterns of the tumours in order to do so and then to adopt a precise treatment plan for the same.