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Lee, J,Lee, S Y,Lim, J K,Yoo, S S,Lee, S Y,Cha, S I,Park, J Y,Kim, C H Springer Heidelberg 2015 Infection Vol.43 No.1
<P>Tuberculous pleural effusion (TPE) is characterized by lymphocytic predominance and high adenosine deaminase (ADA) levels. However, TPEs sometimes present non-lymphocytic predominance, and parapneumonic effusion (PPE) often exceeds the cutoff value of ADA for TPE. Thus, the differential diagnosis of cases with pleural fluid (PF) showing non-lymphocytic predominance and high ADA levels is challenging. However, limited data concerning the clinical differences in these patients are available.</P>
Kim, Yong-il,Ha, Seunggyun,So, Young,Lee, Won Woo,Byun, Seok-Soo,Kim, Sang Eun Springer Berlin Heidelberg 2014 EUROPEAN RADIOLOGY Vol.24 No.2
<P><B>Objective</B></P><P>We aimed to improve Tc-99m DTPA glomerular filtration rate (GFR) scintigraphy (Gates’ method) in a prospective study using Cr-51 EDTA GFR test as a gold standard.</P><P><B>Methods</B></P><P>Fifty-seven Tc-99m DTPA GFR scintigrams in 45 subjects (male/female = 33:12, age = 45.9 ± 17.6 years, 14 healthy volunteers and 31 nephrectomised patients) were compared using Cr-51 EDTA GFR tests. Using the %renal uptake of Tc-99m DTPA and Cr-51 EDTA GFR, a revised equation for GFR was established through linear regression analysis.</P><P><B>Results</B></P><P>The revised equation for improved GFR was GFR(mL/min) = (<I>%</I>renal uptake × 11.7773) − 0.7354. Gates’ original GFRs (70.1 ± 20.5 mL/min/1.73 m<SUP>2</SUP>) were significantly lower than Cr-51 EDTA GFRs (97.0 ± 31.9 mL/min/1.73 m<SUP>2</SUP>; <I>P</I> < 0.0001), but the improved GFRs (98.0 ± 26.3 mL/min/1.73 m<SUP>2</SUP>) were not different from (<I>P</I> = 0.7360) and had a significant correlation with (<I>r</I> = 0.73, <I>P</I> < 0.0001) the Cr-51 EDTA GFRs. The revised GFR equation effectively demonstrated perioperative GFR changes in kidneys that were operated on and the contralateral kidneys at 3 and 6 months post-partial nephrectomy (<I>n</I> = 25).</P><P><B>Conclusions</B></P><P>GFR measurement using Tc-99m DTPA scintigraphy could be significantly improved by a revised equation derived from the comparison with Cr-51 EDTA GFR.</P><P><B><I>Key Points</I></B></P><P>• <I>Measurement of glomerular filtration rate is difficult following nephrectomy</I>.</P><P>• <I>Measurements can be significantly improved by new renal sctintigraphic methods</I>.</P><P>• <I>This helps physicians to measure kidney function of patients following nephrectomy</I>.</P><P>• <I>Management of renal tumour patients should become more effective</I>.</P>