Dermal metastases in epidermoid carcinoma of the head and neck

Many studies have reported on the incidence and location of metastases from squamous cell carcinoma of the head and neck; these studies rarely comment on the incidence of cutaneous metastases. Several studies have analyzed dermal metastases from all carcinomas. Specific issues pertaining to dermal metastases from head and neck carcinomas remain poorly defined. An extensive literature review was performed, and information on similar patients followed up at our institutions was compiled in an attempt to further identify the characteristics of this unique group. Speculation on the mechanisms of these metastases is included.