Primary Signet-Ring Cell Adenocarcinoma of the Urinary Bladder Treated with Partial Cystectomy: A Case Report and Review of the Literature

<div>Immunohistochemical analysis with Cytokeratin 7 under ×40 showing focal cytoplasmic positivity.</div>

Case Reports in Urology

Figure 2: Primary Signet-Ring Cell Adenocarcinoma of the Urinary Bladder Treated with Partial Cystectomy: A Case Report and Review of the Literature 