Skin melanoma represents one of the most common and lethal solid tumor. It usually develops on the skin but it can occur in any tissues with melanine- containing-cells (extracutaneous malignant melanoma). Only 4-5% of malignant melanomas originate in extracutaneous tissues, and they have an extremely lethal behavior (1). These non-skin malignant melanomas are rare but extremely aggressive. Primary melanoma of the genitourinary tract accounts for less than 0.2% of all melanomas. To date only 28 cases of primary bladder melanoma (PMM) are described. We report a rare case of PMM of the bladder in a 72 years old man treated with radical cystectomy and immunotherapy with Nivolumab.
In complicated scenarios with urinary leakages and frail patients, synthetic glues such as Ifabond might represent an interesting therapeutic option to solve the fistulas, leading to durable success with a minimally invasive approach.
Standard assessment of FS in multiple sites during radical prostatectomy achieved sensibility and specificity as high as 90%. Although the resection of urethral stump and tissue close to the neurovascular bundles could compromise functional results, standard assessment of FS in multiple sites could help the surgeon to reduce the positive surgical margins, to monitor the oncological safety of a nerve sparing procedure and to improve the pathological staging.
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