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Vol. 26. Issue 7.
Pages 515-518 (July 2002)
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Vol. 26. Issue 7.
Pages 515-518 (July 2002)
Angiomiolipoma renal intrasinusal. Diagnóstico diferencial con el aneurisma de arteria renal
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M.. Pascual Samaniegoa, J.. Calleja Escuderoa, C.. de Castro Olmedoa, J.R.. Cortiñas Gonzáleza, S.. Martín Blancoa, E.. Fernández del Bustoa
a Servicio de Urología. Hospital Clínico Universitario. Valladolid.
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Presentamos un caso clínico de angiomiolipoma (AML) renal atípico por su forma de presentacióncomo cólico renal, por su localización infrecuente a nivel intrasinusal, por la escasez de su componentegraso, pero sobre todo por la confusión diagnóstica con un aneurisma de la arteria renal queno pudo ser aclarada prequirúrgicamente a pesar de la realización de ecografía-doppler, arteriografíarenal selectiva, tomografía computerizada (TC) y resonancia magnética (R.N.). Renunciamos a la realizaciónde biopsia percutánea dada la localización, la asociación de hematoma y la posibilidad de unorigen vascular.
Se ha descrito la alta capacidad de las pruebas de imagen, fundamentalmente de la ecografíay la TC, para el diagnóstico prequirúrgico del A.M.L. renal. Sin embargo, cuando se presenta unaasociación de características atípicas como las que se han comentado es necesario descartar otrasentidades patológicas. Creemos que entre éstas debe tenerse en cuenta la dificultad de diferenciacióncon un aneurisma de la arteria renal.
Palabras clave:
Angiomiolipoma
Riñón
Aneurisma de arteria renal
Diagnóstico
We report a case of atypical renal angiomyolipoma (AML) because of its clinic presentation like colicrenal pain, its uncommon intrasinusale location, its low fatty content, and especially because of thediagnostic doubt with a renal artery aneurysm that could not be resolved before the surgery in spiteof making Doppler ultrasound, renal one sided arteriography, computed tomography (CT) and magneticresonance imaging (MRI). We gave up doing a percutaneous needle biopsy because of the location,the association with hematoma and the possibility of a vascular origin.
It has been said that diagnostic images, mainly ultrasound and CT, have a high capacity to get arenal AML diagnosis before the surgery. However when there is an atypical characteristics associationlike we have talked about, dismissing other phatologies is necessary. We believe AML must beconsiderated one of these because of its difficult differential diagnosis.
Keywords:
Angiomyolipoma
Kidney
Renal artery aneurysm
Diagnosis

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