The Delayed Nephrogram: Point-of-care Quantitative Measurement, Validation as an Indicator of Obstruction, and Novel Use as a Predictor of Renal Functional Impairment

Marshall C. Strother,Eric Y. Cho, Matt Loecher,David Strauss,Akhil Chandra,Elizabeth Handorf,Jian Yu,David Y.T. Chen,Robert Uzzo,Laura Levin,Jordan Anaokar,Alexander Kutikov

European urology focus（2022）

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摘要

Delayed and diminished nephrograms can be quantified easily at the point of care. An inter-renal difference of 15 Hounsfield units is highly specific for obstruction. Delayed nephrograms are more specific indicators of renal functional impairment than the degree of pelvic dilation.

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关键词

Ureteral obstruction,Hydronephrosis,Computed tomography,Mercaptoacetyltriglycine,Diuretic renography

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