Metastatic Malignant Melanoma of the Urinary Bladder: A Case Report and Review of Literature

Authors

  • Chaiyong Nualyong Department of Surgery
  • Varat Woranisarakul Department of Surgery
  • Ngoentra Tantranont Department of Pathology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700
  • Ekkarin Chotikawanich Department of Surgery
  • Santosh Shrestha Department of Surgery, Pokhara Academy of Health Sciences, Pokhara
  • Tawatchai Taweemonkongsap Department of Surgery

Keywords:

Malignant melanoma; metastasis; urinary bladder

Abstract

Objective: Metastatic malignant melanoma of the urinary bladder is extremely rare in clinical practice, herein, we review literature to demonstrate epidemiology, management and prognosis of this rare condition.
Case presentation: A 57-year-old male with history of malignant melanoma of left big toe was referred to the urology division with the complaint of intermittent painless gross hematuria. Cystoscopy revealed multiple bladder masses, hence transurethral resection of bladder tumor was performed. Histologic and immunohistochemical examination revealed metastatic malignant melanoma involving urinary bladder mucosa.
Conclusion: Suspicion of metastasis should be raised in a patient with urinary symptom, especially if the history of malignant melanoma is present. Cystoscopy and biopsy is recommended if metastatic disease is suspected. While long-term survival is poor, management should be individualized according to the patient’s conditions, symptoms and severity of disease.

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Published

20-06-2018

How to Cite

Nualyong, C., Woranisarakul, V., Tantranont, N., Chotikawanich, E., Shrestha, S., & Taweemonkongsap, T. (2018). Metastatic Malignant Melanoma of the Urinary Bladder: A Case Report and Review of Literature. Siriraj Medical Journal, 70(3), 254–259. Retrieved from https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/129734

Issue

Vol. 70 No. 3 (2018): May-June

Section

Case Report

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