Photon-counting detector CT of the brain reduces variability of Hounsfield units and has a mean offset compared with energy-integrating detector CT

From the Department of Diagnostic and Interventional Radiology, Universityhospital Freiburg, Germany (TS, FL, SR, MFR, TS, AF, JW, FB), Medical Physics, Universityhospital Freiburg, Germany (MR, EK), Department of Stereotactic and Functional Neurosurgery, Universityhospital Freiburg, Germany (MR), and the Department of Neuroradiology, Universityhospital Freiburg, Germany (HU, AR).

From the Department of Diagnostic and Interventional Radiology, Universityhospital Freiburg, Germany (TS, FL, SR, MFR, TS, AF, JW, FB), Medical Physics, Universityhospital Freiburg, Germany (MR, EK), Department of Stereotactic and Functional Neurosurgery, Universityhospital Freiburg, Germany (MR), and the Department of Neuroradiology, Universityhospital Freiburg, Germany (HU, AR).

From the Department of Diagnostic and Interventional Radiology, Universityhospital Freiburg, Germany (TS, FL, SR, MFR, TS, AF, JW, FB), Medical Physics, Universityhospital Freiburg, Germany (MR, EK), Department of Stereotactic and Functional Neurosurgery, Universityhospital Freiburg, Germany (MR), and the Department of Neuroradiology, Universityhospital Freiburg, Germany (HU, AR).

From the Department of Diagnostic and Interventional Radiology, Universityhospital Freiburg, Germany (TS, FL, SR, MFR, TS, AF, JW, FB), Medical Physics, Universityhospital Freiburg, Germany (MR, EK), Department of Stereotactic and Functional Neurosurgery, Universityhospital Freiburg, Germany (MR), and the Department of Neuroradiology, Universityhospital Freiburg, Germany (HU, AR).

From the Department of Diagnostic and Interventional Radiology, Universityhospital Freiburg, Germany (TS, FL, SR, MFR, TS, AF, JW, FB), Medical Physics, Universityhospital Freiburg, Germany (MR, EK), Department of Stereotactic and Functional Neurosurgery, Universityhospital Freiburg, Germany (MR), and the Department of Neuroradiology, Universityhospital Freiburg, Germany (HU, AR).

From the Department of Diagnostic and Interventional Radiology, Universityhospital Freiburg, Germany (TS, FL, SR, MFR, TS, AF, JW, FB), Medical Physics, Universityhospital Freiburg, Germany (MR, EK), Department of Stereotactic and Functional Neurosurgery, Universityhospital Freiburg, Germany (MR), and the Department of Neuroradiology, Universityhospital Freiburg, Germany (HU, AR).

From the Department of Diagnostic and Interventional Radiology, Universityhospital Freiburg, Germany (TS, FL, SR, MFR, TS, AF, JW, FB), Medical Physics, Universityhospital Freiburg, Germany (MR, EK), Department of Stereotactic and Functional Neurosurgery, Universityhospital Freiburg, Germany (MR), and the Department of Neuroradiology, Universityhospital Freiburg, Germany (HU, AR).

From the Department of Diagnostic and Interventional Radiology, Universityhospital Freiburg, Germany (TS, FL, SR, MFR, TS, AF, JW, FB), Medical Physics, Universityhospital Freiburg, Germany (MR, EK), Department of Stereotactic and Functional Neurosurgery, Universityhospital Freiburg, Germany (MR), and the Department of Neuroradiology, Universityhospital Freiburg, Germany (HU, AR).

From the Department of Diagnostic and Interventional Radiology, Universityhospital Freiburg, Germany (TS, FL, SR, MFR, TS, AF, JW, FB), Medical Physics, Universityhospital Freiburg, Germany (MR, EK), Department of Stereotactic and Functional Neurosurgery, Universityhospital Freiburg, Germany (MR), and the Department of Neuroradiology, Universityhospital Freiburg, Germany (HU, AR).

From the Department of Diagnostic and Interventional Radiology, Universityhospital Freiburg, Germany (TS, FL, SR, MFR, TS, AF, JW, FB), Medical Physics, Universityhospital Freiburg, Germany (MR, EK), Department of Stereotactic and Functional Neurosurgery, Universityhospital Freiburg, Germany (MR), and the Department of Neuroradiology, Universityhospital Freiburg, Germany (HU, AR).

From the Department of Diagnostic and Interventional Radiology, Universityhospital Freiburg, Germany (TS, FL, SR, MFR, TS, AF, JW, FB), Medical Physics, Universityhospital Freiburg, Germany (MR, EK), Department of Stereotactic and Functional Neurosurgery, Universityhospital Freiburg, Germany (MR), and the Department of Neuroradiology, Universityhospital Freiburg, Germany (HU, AR).

From the Department of Diagnostic and Interventional Radiology, Universityhospital Freiburg, Germany (TS, FL, SR, MFR, TS, AF, JW, FB), Medical Physics, Universityhospital Freiburg, Germany (MR, EK), Department of Stereotactic and Functional Neurosurgery, Universityhospital Freiburg, Germany (MR), and the Department of Neuroradiology, Universityhospital Freiburg, Germany (HU, AR).