In this task, you are given a sentence in the English language. Your job is to translate the English sentence into the Spanish language.

A 46-year-old man who consulted urgently for colicky pain located in the left iliac fossa, with some irradiation towards the scrotum. He has not had similar episodes. In the laboratory, serum creatinine is 0.9 mg / dL, leukocytes 6.700 / mm3 and the leukocyte formula is normal. In the urinary sediment there are 12-15 red blood cells / field and the pH of the urine is 6. He has no fever and his body mass index (BMI) is 25.5 kg / m2. Which imaging test is the most sensitive to make the diagnosis?
Hombre de 46 años que consulta de urgencia por dolor tipo cólico localizado en fosa iliaca izquierda, con cierta irradiación hacia escroto. No ha tenido episodios similares. En la analítica, la creatinina sérica es de 0,9 mg/dL, leucocitos 6.700/mm3 y la fórmula leucocitaria es normal. En el sedimento urinario hay 12-15 hematíes/campo y el pH de la orina es 6. No tiene fiebre y su índice de masa corporal (IMC) es de 25,5 kg/m2. ¿Qué prueba de imagen es la más sensible para realizar el diagnóstico?