1. Koch H, Kowatsch E, Hodl S, et al. Verrucous carcinoma of the skin: long-term follow-up results following surgical therapy. Dermatol Surg. 2004; 30:1124–1130.
2. Mak ST, Io IY, Tse RK. Verrucous carcinoma: a rare tumor of the eyelid. Ophthal Plast Reconstr Surg. 2011; 27:e32–e34.
3. Tzili N, El Yamouni O, El Khaoua M, et al. Verrucous squamous carcinoma of the eyelid: report of a case. Pan Afr Med J. 2014; 18:93.
4. Woolgar JA, Triantafyllou A. Pitfalls and procedures in the histopathological diagnosis of oral and oropharyngeal squamous cell carcinoma and a review of the role of pathology in prognosis. Oral Oncol. 2009; 45:361–385.
5. Schwartz RA. Verrucous carcinoma of the skin and mucosa. J Am Acad Dermatol. 1995; 32:1–21.