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Cutaneous squamous cell carcinoma (cSCC) typically arises from a malignant proliferation of keratinocytes. It is the second most common cancer in the United States and typically affects older white men. Risk factors for cSCC include ultraviolet radiation exposure, light skin tone, and immunosuppression. Although metastasis in cSCC is rare, primary tumor characteristics such as location, size, and depth of invasion, among others, can help risk-stratify lesions for local recurrence, metastatic events, and death. We present a case of primary cutaneous metastatic squamous cell carcinoma masquerading as a cyst on the left temple of a 73-year-old Caucasian man following numerous treatments of cryotherapy to an ipsilateral helical lesion.
Cutaneous metastasis; Squamous cell carcinoma (scc); Solitary metastasis; Cutaneous malignancy; Mohs surgery; Metastatic skin cancer; High risk scc
Dermatology | Oncology
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Cotter, D. G.
Metastatic Squamous Cell Carcinoma: A Cautionary Tale.