Metachronous nodal metastases from HPV-associated penile carcinoma in situ
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Penile intraepithelial neoplasia (PeIN) is a premalignant precursor of squamous cell carcinoma (SCC) with a 5-15 % risk of progression. Nodal metastasis without histologic invasion is exceedingly rare. We describe a 40-year-old man with recurrent, HPV-positive... ...
