Incidental Identification of Metastatic Urothelial Carcinoma Presenting In an Incarcerated Ventral Hernia Sac
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چکیده
Malignant epithelial tumors presenting within the hernia sacs are rare, occurring in 0.14% of all surgically removed adult hernia sac cases [1]. Most reports document inguinal or umbilical hernia sac with metastatic adenocarcinoma from multiple organs [1-4]. To the best of our knowledge, no cases of ventral hernia sac with metastatic urothelial carcinoma have been previously reported. We herein, report a case of metastatic urothelial carcinoma in an incarcerated ventral hernia. The rarity of this scenario, differential diagnoses and immunohistochemical stains including GATA3 stain in distinguishing urothelial carcinoma from squamous cell carcinoma, prostate adenocarcinoma and other morphologically similar malignant epithelial tumors are discussed.
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