Merkel Cell Carcinoma
Merkel cell carcinoma is a type of skin cancer that stains positive for CK20 and several neuroendocrine markers. On physical exam, it appears as a firm, painless red lesion. Its…
Read MoreCutaneous Squamous Cell Carcinoma
Cutaneous squamous cell carcinoma is (cSCC) the second most common skin cancer and develops due to mutations resulting in keratinocyte proliferation and expansion. In 1804, Rene Laennec described forms of…
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