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10.1016/j.acra.2013.01.011 http://scihub22266oqcxt.onion/10.1016/j.acra.2013.01.011 C3945039!3945039!23535191     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Acad+Radiol 2013 ; 20 (6): 675-84 Nephropedia Template TP {{tp|p=23535191|t=2013. Assessing Splenomegaly: Automated Volumetric Analysis of the Spleen |pdf=|usr=}}{{23535191}} gab.com Text Assessing Splenomegaly: Automated Volumetric Analysis of the Spleen JO: Acad Radiol http://www.kidney.de/pget.php?&tw=1&pmid=23535191 #FOAvip Rationale and Objectives: To define systematic volumetric thresholds to identify and grade splenomegaly, and retrospectively evaluate the performance of radiologists to assess splenomegaly in computed tomography image data. Materials and Methods: A clinical tool was developed to segment spleens from 172 contrast-enhanced clinical CT studies. There were 45 normal and 127 splenomegaly cases confirmed by radiological reports. Spleen volumes were compared to manual measurements using overlap/error. Volumetric thresholds for mild/massive splenomegaly were defined at 1/2.5 standard deviations above the average splenic volume of the healthy population. The thresholds were validated against consensus reports. The performance of radiologists in assessing splenomegaly was retrospectively evaluated. Results: The automated segmentation of spleens was robust with volume overlap/error of 95.2/3.3%. There were no significant differences (p>0.2) between manual and automated segmentations for either normal/splenomegaly subgroups. Comparable correlations between interobserver and manual-automated measurements were found (R=0.99 for all). The average volume of normal spleens was 236.89±77.58 ml. For splenomegaly, average volume was 1004.75±644.27 ml. Volumetric thresholds of 314.47/430.84 ml were used to define mild/massive splenomegaly (+/?18.86 ml 95% CI). Radiologists disagreed in 23.25% (n=40) of the diagnosed cases. The area under the ROC curve of the volumetric criterion for splenomegaly detection was 0.96. Using the volumetric thresholds as the reference standard, the sensitivity of radiologists in detecting all/mild/massive splenomegaly was 95.0/66.6/99.0% at 78.0% specificity, respectively. Conclusion: Thresholds for the identification and grading of splenomegaly from automatic volumetric spleen assessment were introduced. The volumetric thresholds match well with clinical interpretations for splenomegaly and may improve splenomegaly detection compared with splenic cephalocaudal height measurements or visual inspection commonly used in current clinical practice. Twit Text FOAVip Assessing Splenomegaly: Automated Volumetric Analysis of the Spleen ????Acad Radiol http://www.kidney.de/pget.php?&tw=1&pmid=23535191 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=23535191 #FOAvip English Wikipedia <ref>{{Cite pmid|23535191}}</ref> Assessing Splenomegaly: Automated Volumetric Analysis of the Spleen #MMPMID23535191 Linguraru MG; Sandberg JK; Jones EC; Summers RM Acad Radiol 2013[Jun]; 20 (6): 675-84 PMID23535191show ga Rationale and Objectives: To define systematic volumetric thresholds to identify and grade splenomegaly, and retrospectively evaluate the performance of radiologists to assess splenomegaly in computed tomography image data. Materials and Methods: A clinical tool was developed to segment spleens from 172 contrast-enhanced clinical CT studies. There were 45 normal and 127 splenomegaly cases confirmed by radiological reports. Spleen volumes were compared to manual measurements using overlap/error. Volumetric thresholds for mild/massive splenomegaly were defined at 1/2.5 standard deviations above the average splenic volume of the healthy population. The thresholds were validated against consensus reports. The performance of radiologists in assessing splenomegaly was retrospectively evaluated. Results: The automated segmentation of spleens was robust with volume overlap/error of 95.2/3.3%. There were no significant differences (p>0.2) between manual and automated segmentations for either normal/splenomegaly subgroups. Comparable correlations between interobserver and manual-automated measurements were found (R=0.99 for all). The average volume of normal spleens was 236.89±77.58 ml. For splenomegaly, average volume was 1004.75±644.27 ml. Volumetric thresholds of 314.47/430.84 ml were used to define mild/massive splenomegaly (+/?18.86 ml 95% CI). Radiologists disagreed in 23.25% (n=40) of the diagnosed cases. The area under the ROC curve of the volumetric criterion for splenomegaly detection was 0.96. Using the volumetric thresholds as the reference standard, the sensitivity of radiologists in detecting all/mild/massive splenomegaly was 95.0/66.6/99.0% at 78.0% specificity, respectively. Conclusion: Thresholds for the identification and grading of splenomegaly from automatic volumetric spleen assessment were introduced. The volumetric thresholds match well with clinical interpretations for splenomegaly and may improve splenomegaly detection compared with splenic cephalocaudal height measurements or visual inspection commonly used in current clinical practice. äAssessing Splenomegaly: Automated Volumetric Analysis of the Spleen (epmc).pdf DeepDyve Pubget Overpricing