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Facultad de Medicina, Universidad de Chile.

Absceso, Necrosis medular renal, Necrosis renal papilar, Nefrocalcinosis, Pielonefritis, Tuberculosis. Renal papillary necrosis is a multifactorial entitiy that encompasses a wide range of consecuences, including end-stage renal impairment or even death.

Its appearance on intravenous pyelography pictures reveals multiple patterns of papillary excavation, fairly well defined in urogramw literature. With the advent of multislice computed tomography urography these findings have been refined and new radiological signs such as detection of early renal medullary changes, among others, have been added.


The application of this imaging modality may translate into significant short-term improvements in the cases and prognosis of these patients.

This paper is intended to provide both a reviewing and an updating of renal papillary necrosis imaging issues. Abscess, Kidney papillary necrosis, Nephrocalcinosis, Pyelonephritis, Renal medullary necrosis, Tuberculosis. Otras raras causas de NPR son: Figura 5 a y b.

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Defecto de llene, rodeado de contraste, del grupo calicilar superior en un paciente con necrosis papilar conocida. Figura 6a y b. Cambios precoces en la necrosis papilar.

Detection of medullary and papillary necrosis at an early stage by multiphasic helical computerized tomography.

J Urol ; 1: Multi detector row CT urography in the evaluation of hematuria.

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Ra-diographics ; 23 6: Classic signs in uroradiology. Radiographics ; 24 Suppl 1: Kidney and urinary tract. Federlene et al, Diagnostic imaging abdomen. Enfermedades infecciosas del tracto urinario.

Witten D et al Eds. General Holley A, Of.

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