Abstract
IntroductionCutaneous metastases from carcinomas of the bladder are very rare. They are related to advanced stages of the disease and have poor prognosis with low survival rates. The common treatment modality of cutaneous metastases from a primary bladder cancer is wide local excision followed by chemotherapy.Case presentationWe report a case of solitary skin metastasis from a rare type of urinary bladder carcinoma in a 68 year-old Caucasian man. Urinary bladder carcinoma metastasizing to the skin is an uncommon finding despite the high incidence of this tumor. Skin metastasis generally presents in the late stages of this disease and indicates a poor outcome.ConclusionsBecause of the extremely aggressive malignant potential of sarcomatoid carcinomas, the indications for a transurethral resection of the bladder should be carefully assessed and suitable therapeutic strategies should be examined further.
Highlights
Cutaneous metastases from carcinomas of the bladder are very rare
The incidence of cutaneous metastasis from primary urinary malignances is reported from 1.1% to 2.5%
We report one case of cutaneous metastasis from sarcomatoid carcinoma of urinary bladder, a very rare histological type, with metastatic localization to the thoracic wall
Summary
The incidence of cutaneous metastasis from primary urinary malignances is reported from 1.1% to 2.5%. Very few cases of skin metastasizing from urinary bladder are reported in the literature. This type of localization is rare, generally presenting in the late stages of disease and indicates a poor outcome. We report one case of cutaneous metastasis from sarcomatoid carcinoma of urinary bladder, a very rare histological type, with metastatic localization to the thoracic wall. The histopathological report was summarized as an invasive poorly differentiated bladder carcinoma metastasis with a component of mixed, giant and spindle, sarcomatoid cells. At six months post-surgical follow-up, a repeat CT scan showed, despite these treatments, a progression of loco-regional nodal disease and pulmonary metastasization
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