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Vol. 24. Issue 8.
Pages 664-668 (January 2000)
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Vol. 24. Issue 8.
Pages 664-668 (January 2000)
Trombosis tumoral de la vena renal izquierda y vena cava inferior secundaria a carcinoma de células renales. hallazgos en ecografía, eco-doppler y tomografía computerizada
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M.S. Fernández lópez-peláez1, J.M. García gómez, J. Roldán ramos
Servicio de Radiodiagnóstico
F. Ortíz vico*
* Servicio de Urología. Hospital Universitario “12 de Octubre”. Madrid
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Resumen

El carcinoma de células renales representa un 2,5-3% de todos los cánceres, siendo más frecuente en pacientes mayores de 50 años. De ellos, el 60-75% son resecables al momento del diagnóstico, presentando el resto de los casos enfermedad avanzada local o metastásica. Este tumor tiende a extenderse intravascularmente, produciendo trombosis tumoral en la vena cava inferior y vena renal en un 4-10% y 21- 35% de los casos, respectivamente.

Dado que el único tratamiento efectivo es la resección quirúrgica, resulta prioritario determinar la extensión de la trombosis tumoral previamente a la cirugía. Por tanto, en estos pacientes es fundamental un cuidadoso estudio radiológico que incluya, al menos, ecografía, eco-doppler, TC y/o RM abdominal.

Presentamos el caso de un paciente de 49 años con carcinoma renal y trombosis tumoral secundaria de la vena renal izquierda y de la VCI, aportando las imágenes más significativas y comentando sus principales hallazgos radiológicos.

Palabras clave:
Carcinoma de células renales
Trombosis tumoral
Trombosis vena renal
Trombosis vena cava inferior
Ecografía abdominal
Eco-doppler abdominal
TC abdominal
Abstract

Renal cell carcinoma represents a 2,5-3% of all neoplastic processes, usually seen un patients older than 50 years. 60-75% are resectable at diagnosis, representing local or metastatic advanced disease the rest of them. This tumor tends to spread intravascularly, leading to tumoral thrombosis within the inferior caval vein (ICV) and renal vein 4-10% and 21-35% of cases, respectively.

As the only efective treatment is surgical resection, preoperative determining of the thrombus extension is crucial. Thus, an accurate radiological study including ultrasound, doppler sonography, computed tomography and/or Magnetic Resonance, is key for these patients.

We present a 49 year-old patient with renal cell carcinoma and associated tumoral thrombosis in inferior caval vein and left renal vein; we provide the most significant figures, explaining its most characteristic radiological findings.

Key words:
Renal cell carcinoma
Tumoral thrombosis
Renal vein thrombosis
Inferior caval vein thrombosis
Abdominal ultrasound
Abdominal doppler sonography
Abdominal CT

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