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  • Title: Flat-type verruciform xanthoma of the tongue and its differential diagnosis.
    Author: Mete O, Kurklu E, Bilgic B, Beka H, Unur M.
    Journal: Dermatol Online J; 2009 Sep 15; 15(9):5. PubMed ID: 19930992.
    Abstract:
    We present herein a case of oral verruciform xanthoma (VX) in order to discuss this relatively rare entity in light of current information. A 38-year-old woman, non-smoker, presented with a lesion at the left ventral surface of the tongue. The lesion is characterized by a mild epithelial proliferation and sub-epithelial accumulation of foam cells, which were positive for CD68, and negative for CD1a and S-100 protein. Human papillomavirus (HPV) DNA typing for low, intermediate, and high-risk groups was also performed and no etiological link between HPV and this lesion was found. The past medical history of the patient was unremarkable and further investigations did not reveal any biochemical abnormalities or systemic disease. Verruciform xanthoma is an uncommon benign lesion of undetermined etiology. It is a superficial normolipemic xanthoma, probably reflecting a multifactorial reactive and dystrophic process unrelated to HPV. It is noteworthy that in a small and superficial biopsy, xanthoma cells may be scanty and can be missed, especially if the pathologist is unfamiliar with the existence of this uncommon lesion. Its clinical and pathological recognition and correct diagnosis is critical because VX can occur in conjunction with other systemic and cutaneous inflammatory diseases; therefore, it necessitates further clinical assessment.
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