Cytokeratin-20 negative nodal Merkel cell carcinoma with regressed primary: a potential pitfall in interpretation of nodal metastasis

We report a case of nodal MCC with an atypical immunohistochemistry pattern presented as bilateral axillary lymphadenopathy in a 90-year-old man with a remote history of a skin lesion that healed spontaneously leaving a scar.PMID:37591268 | DOI:10.5070/D329361428

Source: Dermatol Online J - August 17, 2023 Category: Dermatology Authors: Nada Mohamed Debby Rampisela Alan C Gowan Source Type: research