We report two patients with leptomeningeal metastases from squamous cell cancer of the skin. In one patient cauda equina metastases appeared 6 years after initial presentation; the tumor from radical neck dissection demonstrated perineural invasion suggesting a possible route for subarachnoid dissemination. The other patient presented 2 years after initial diagnosis with confusion and cranial nerve seven and twelve palsies. Both patients died from complications of leptomeningeal metastases.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/12892236