WHIM (warts, hypogammaglobulinemia, infections, and myelokathexis) syndrome is an autosomal dominant disease related to a mutation in the chemokine receptor CXCR4 resulting in altered immune function. An increased susceptibility in these patients to human papillomavirus (HPV) manifests as cutaneous warts and, in women, cervical dysplasia and squamous carcinoma. HPV-related squamous carcinoma in other sites has not been documented. We report the occurrence of HPV-related squamous cell carcinoma of the oral cavity in 2 siblings with WHIM syndrome, whose pedigree has previously been described.
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