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Int. braz. j. urol ; 45(2): 402-405, Mar.-Apr. 2019. graf
Article de Anglais | LILACS | ID: biblio-1002207

RÉSUMÉ

ABSTRACT Primary angiosarcomas of the kidney are very rare, but highly aggressive tumors showing poor prognosis. Patients frequently complain of flank pain, hematuria, or a palpable mass. We present a case of primary renal angiosarcoma occurring in a 61-year-old man. CT images depicted a huge exophytic mass (16 cm in diameter) in the right kidney, exhibiting extensive hemorrhage. The mass showed centripetal peripheral nodular enhancement on dynamic contrast-enhanced images. Furthermore, MR imaging revealed a tangled mesh of tumor vessels in the periphery of the mass. We suggest its inclusion in the differential diagnosis of cases of hemorrhagic renal tumors with prominent vasculature.


Sujet(s)
Humains , Mâle , Tumeurs du rein/imagerie diagnostique , Hémangiosarcome/imagerie diagnostique , Imagerie par résonance magnétique , Tomodensitométrie , Tumeurs du rein/anatomopathologie , Hémangiosarcome/anatomopathologie , Adulte d'âge moyen
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