RESUMEN Las complicaciones vasculares secundarias al tratamiento quirúrgico del cáncer de riñón localizado son más frecuentes cuando se realiza una cirugía conservadora de nefronas. Sin embargo, la nefrectomía radical no está exenta de ellas. Presentamos el caso de un pseudoaneurisma de la arteria renal principal con comunicación fistulosa a colon ascendente tras nefrectomía radical. El paciente debutó con un episodio de shock hipovolémico debido a hemorragia digestiva baja. PALABRAS CLAVE: Pseudoaneurisma arteria renal, fístula arterioentérica, hemorragia digestiva baja, nefrectomía radical. Pseudoaneurysm of the main renal artery associated to cecal fistula after radical nephrectomy: a clinical case and literature review SUMMARY: Vascular complications secondary to surgical treatment of localized kidney cancer are more frequent when a nephronsparing surgery is performed. However, radical nephrectomy is not exempt from them. We report the case of a pseudoaneurysm of the main renal artery with fistulous communication to ascending colon after radical nephrectomy. The patient presented with an episode of hypovolemic shock due to lower gastrointestinal bleeding.
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