Optimized preload leakage-correction methods to improve the diagnostic accuracy of dynamic susceptibility-weighted contrast-enhanced perfusion MR imaging in posttreatment gliomas

Leland S Hu, L. C. Baxter, D. S. Pinnaduwage, T. L. Paine, J. P. Karis, B. G. Feuerstein, K. M. Schmainda, Amylou Dueck, J. Debbins, K. A. Smith, P. Nakaji, J. M. Eschbacher, S. W. Coons, J. E. Heiserman

Research output: Contribution to journalArticle

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Abstract

BACKGROUND AND PURPOSE: Relative cerebral blood volume (rCBV) accuracy can vary substantially depending on the dynamic susceptibility-weighted contrast-enhanced (DSC) acquisition and postprocessing methods, due to blood-brain barrier disruption and resulting T1-weighted leakage and T2-and/or T2*-weighted imaging (T2/T2*WI) residual effects. We set out to determine optimal DSC conditions that address these errors and maximize rCBV accuracy in differentiating posttreatment radiation effect (PTRE) and tumor. MATERIALS AND METHODS: We recruited patients with previously treated high-grade gliomas undergoing image-guided re-resection of recurrent contrast-enhancing MR imaging lesions. Thirty-six surgical tissue samples were collected from 11 subjects. Preoperative 3T DSC used 6 sequential evenly timed acquisitions, each by using a 0.05-mmol/kg gadodiamide bolus. Preload dosing (PLD) and baseline subtraction (BLS) techniques corrected T1-weighted leakage and T2/T2*WI residual effects, respectively. PLD amount and incubation time increased with each sequential acquisition. Corresponding tissue specimen stereotactic locations were coregistered to DSC to measure localized rCBV under varying PLD amounts, incubation times, and the presence of BLS. rCBV thresholds were determined to maximize test accuracy (average of sensitivity and specificity) in distinguishing tumor (n = 21) and PTRE (n = 15) samples under the varying conditions. Receiver operator characteristic (ROC) areas under the curve (AUCs) were statistically compared. RESULTS: The protocol that combined PLD (0.1-mmol/kg amount, 6-minute incubation time) and BLS correction methods maximized test AUC (0.99) and accuracy (95.2%) compared with uncorrected rCBV AUC (0.85) and accuracy (81.0%) measured without PLD and BLS (P = .01). CONCLUSIONS: Combining PLD and BLS correction methods for T1-weighted and T2/T2*WI errors, respectively, enables highly accurate differentiation of PTRE and tumor growth.

Original languageEnglish (US)
Pages (from-to)40-48
Number of pages9
JournalAmerican Journal of Neuroradiology
Volume31
Issue number1
DOIs
StatePublished - Jan 2010

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Perfusion Imaging
Glioma
Radiation Effects
Area Under Curve
gadodiamide
Subtraction Technique
Neoplasms
Blood-Brain Barrier
Cerebral Blood Volume
Sensitivity and Specificity
Growth

ASJC Scopus subject areas

  • Clinical Neurology
  • Radiology Nuclear Medicine and imaging

Cite this

Optimized preload leakage-correction methods to improve the diagnostic accuracy of dynamic susceptibility-weighted contrast-enhanced perfusion MR imaging in posttreatment gliomas. / Hu, Leland S; Baxter, L. C.; Pinnaduwage, D. S.; Paine, T. L.; Karis, J. P.; Feuerstein, B. G.; Schmainda, K. M.; Dueck, Amylou; Debbins, J.; Smith, K. A.; Nakaji, P.; Eschbacher, J. M.; Coons, S. W.; Heiserman, J. E.

In: American Journal of Neuroradiology, Vol. 31, No. 1, 01.2010, p. 40-48.

Research output: Contribution to journalArticle

Hu, LS, Baxter, LC, Pinnaduwage, DS, Paine, TL, Karis, JP, Feuerstein, BG, Schmainda, KM, Dueck, A, Debbins, J, Smith, KA, Nakaji, P, Eschbacher, JM, Coons, SW & Heiserman, JE 2010, 'Optimized preload leakage-correction methods to improve the diagnostic accuracy of dynamic susceptibility-weighted contrast-enhanced perfusion MR imaging in posttreatment gliomas', American Journal of Neuroradiology, vol. 31, no. 1, pp. 40-48. https://doi.org/10.3174/ajnr.A1787
Hu, Leland S ; Baxter, L. C. ; Pinnaduwage, D. S. ; Paine, T. L. ; Karis, J. P. ; Feuerstein, B. G. ; Schmainda, K. M. ; Dueck, Amylou ; Debbins, J. ; Smith, K. A. ; Nakaji, P. ; Eschbacher, J. M. ; Coons, S. W. ; Heiserman, J. E. / Optimized preload leakage-correction methods to improve the diagnostic accuracy of dynamic susceptibility-weighted contrast-enhanced perfusion MR imaging in posttreatment gliomas. In: American Journal of Neuroradiology. 2010 ; Vol. 31, No. 1. pp. 40-48.
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abstract = "BACKGROUND AND PURPOSE: Relative cerebral blood volume (rCBV) accuracy can vary substantially depending on the dynamic susceptibility-weighted contrast-enhanced (DSC) acquisition and postprocessing methods, due to blood-brain barrier disruption and resulting T1-weighted leakage and T2-and/or T2*-weighted imaging (T2/T2*WI) residual effects. We set out to determine optimal DSC conditions that address these errors and maximize rCBV accuracy in differentiating posttreatment radiation effect (PTRE) and tumor. MATERIALS AND METHODS: We recruited patients with previously treated high-grade gliomas undergoing image-guided re-resection of recurrent contrast-enhancing MR imaging lesions. Thirty-six surgical tissue samples were collected from 11 subjects. Preoperative 3T DSC used 6 sequential evenly timed acquisitions, each by using a 0.05-mmol/kg gadodiamide bolus. Preload dosing (PLD) and baseline subtraction (BLS) techniques corrected T1-weighted leakage and T2/T2*WI residual effects, respectively. PLD amount and incubation time increased with each sequential acquisition. Corresponding tissue specimen stereotactic locations were coregistered to DSC to measure localized rCBV under varying PLD amounts, incubation times, and the presence of BLS. rCBV thresholds were determined to maximize test accuracy (average of sensitivity and specificity) in distinguishing tumor (n = 21) and PTRE (n = 15) samples under the varying conditions. Receiver operator characteristic (ROC) areas under the curve (AUCs) were statistically compared. RESULTS: The protocol that combined PLD (0.1-mmol/kg amount, 6-minute incubation time) and BLS correction methods maximized test AUC (0.99) and accuracy (95.2{\%}) compared with uncorrected rCBV AUC (0.85) and accuracy (81.0{\%}) measured without PLD and BLS (P = .01). CONCLUSIONS: Combining PLD and BLS correction methods for T1-weighted and T2/T2*WI errors, respectively, enables highly accurate differentiation of PTRE and tumor growth.",
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AU - Hu, Leland S

AU - Baxter, L. C.

AU - Pinnaduwage, D. S.

AU - Paine, T. L.

AU - Karis, J. P.

AU - Feuerstein, B. G.

AU - Schmainda, K. M.

AU - Dueck, Amylou

AU - Debbins, J.

AU - Smith, K. A.

AU - Nakaji, P.

AU - Eschbacher, J. M.

AU - Coons, S. W.

AU - Heiserman, J. E.

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N2 - BACKGROUND AND PURPOSE: Relative cerebral blood volume (rCBV) accuracy can vary substantially depending on the dynamic susceptibility-weighted contrast-enhanced (DSC) acquisition and postprocessing methods, due to blood-brain barrier disruption and resulting T1-weighted leakage and T2-and/or T2*-weighted imaging (T2/T2*WI) residual effects. We set out to determine optimal DSC conditions that address these errors and maximize rCBV accuracy in differentiating posttreatment radiation effect (PTRE) and tumor. MATERIALS AND METHODS: We recruited patients with previously treated high-grade gliomas undergoing image-guided re-resection of recurrent contrast-enhancing MR imaging lesions. Thirty-six surgical tissue samples were collected from 11 subjects. Preoperative 3T DSC used 6 sequential evenly timed acquisitions, each by using a 0.05-mmol/kg gadodiamide bolus. Preload dosing (PLD) and baseline subtraction (BLS) techniques corrected T1-weighted leakage and T2/T2*WI residual effects, respectively. PLD amount and incubation time increased with each sequential acquisition. Corresponding tissue specimen stereotactic locations were coregistered to DSC to measure localized rCBV under varying PLD amounts, incubation times, and the presence of BLS. rCBV thresholds were determined to maximize test accuracy (average of sensitivity and specificity) in distinguishing tumor (n = 21) and PTRE (n = 15) samples under the varying conditions. Receiver operator characteristic (ROC) areas under the curve (AUCs) were statistically compared. RESULTS: The protocol that combined PLD (0.1-mmol/kg amount, 6-minute incubation time) and BLS correction methods maximized test AUC (0.99) and accuracy (95.2%) compared with uncorrected rCBV AUC (0.85) and accuracy (81.0%) measured without PLD and BLS (P = .01). CONCLUSIONS: Combining PLD and BLS correction methods for T1-weighted and T2/T2*WI errors, respectively, enables highly accurate differentiation of PTRE and tumor growth.

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