IJU case reports · 2025
A Case of Malignant Melanoma Metastasis in the Ileal Conduit.
СтатьяНазвание и аннотация: Перевод в очереди
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Shamoto Noritoshi, Naito Yushi, Sano Yuta, Matsuo Kazuna, Inoue Satoshi, Sano Tomoyasu, Kimura Tomokazu, Ishida Shohei, Matsukawa Yoshihisa, Akamatsu Shusuke
Аннотация
INTRODUCTION: Tumor development in the ileal conduit is rare. Herein, we present a case of metastatic malignant melanoma occurring within the ileal conduit 17 years after radical cystectomy.
CASE PRESENTATION: A 76-year-old Japanese man, with a history of bladder cancer treated with radical cystectomy and ileal conduit diversion, presented with gross hematuria. He had malignant melanoma diagnosed 10 years prior, with recurrent metastases managed through surgery and adjuvant therapy. During his recent admission, metastases to the subcutaneous tissue and retroperitoneum were noted. Contrast-enhanced computed tomography revealed bilateral hydronephrosis and a tumor in the ileal conduit. Endoscopic resection confirmed metastatic malignant melanoma. The patient's renal function stabilized postoperatively, and hematuria was controlled. A palliative care approach was adopted to treat the melanoma.
CONCLUSION: This rare case of metastatic malignant melanoma within an ileal conduit highlights the importance of histopathological examinations in patients with overlapping malignancies. Trial Registration: 2016-0474.
CASE PRESENTATION: A 76-year-old Japanese man, with a history of bladder cancer treated with radical cystectomy and ileal conduit diversion, presented with gross hematuria. He had malignant melanoma diagnosed 10 years prior, with recurrent metastases managed through surgery and adjuvant therapy. During his recent admission, metastases to the subcutaneous tissue and retroperitoneum were noted. Contrast-enhanced computed tomography revealed bilateral hydronephrosis and a tumor in the ileal conduit. Endoscopic resection confirmed metastatic malignant melanoma. The patient's renal function stabilized postoperatively, and hematuria was controlled. A palliative care approach was adopted to treat the melanoma.
CONCLUSION: This rare case of metastatic malignant melanoma within an ileal conduit highlights the importance of histopathological examinations in patients with overlapping malignancies. Trial Registration: 2016-0474.