Oral verruciform xanthoma (OVX) of lower labial mucosa, presenting as a plaque in tobacco users: an unusual case report with literature review

Oral verruciform xanthoma (OVX) is an uncommon lesion known for its wart-like appearance, primarily affecting the oral mucosa. This case report delves into a distinctive presentation of OVX, a rare benign lesion typically characterised by its manifestation as a white plaque in the oral cavity. Clinical features, histological findings, pathogenesis and their implications in the context of differential diagnosis has been discussed. The patient had a history of regular tobacco use, and despite initially presenting as a white plaque, the histopathological and immunohistochemical features strongly suggested verruciform xanthoma.