科研之友
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摘要
the incidence of cutaneous metastases is approximately 0.7 to 10%, while in metastases of urothelial origin the incidence is less than 1%. transitional cell carcinoma is the most common of the genitourinary tract tumors. sarcoma of the bladder is rare (0.3%). it can involve multiple clinical presentations, with a nodule being the most common. diagnosis is made by a combination of medical history, clinical examination and histopathology. the treatment is surgical. the prognosis is very uncertain and depends on a multidisciplinary approach.
