Presentation is loading. Please wait.

Presentation is loading. Please wait.

Fig. 4. Coronal chest noise-optimized virtual monoenergetic dual-energy CT imaging. Beam-hardening and/or photon starvation artifacts in thoracic inlet.

Published byBennett McCormick Modified over 5 years ago

Similar presentations

Presentation on theme: "Fig. 4. Coronal chest noise-optimized virtual monoenergetic dual-energy CT imaging. Beam-hardening and/or photon starvation artifacts in thoracic inlet."— Presentation transcript:

1 Fig. 4. Coronal chest noise-optimized virtual monoenergetic dual-energy CT imaging. Beam-hardening and/or photon starvation artifacts in thoracic inlet and shoulder pronounced in 40 keV image (A) are reduced in 60 keV images (B). Because iodine contrast is progressively reduced at higher keV images, overall optimal image quality can be achieved around 60 keV depending on patients' size as well as body region. Fig. 4. Coronal chest noise-optimized virtual monoenergetic dual-energy CT imaging. Beam-hardening and/or photon starvation artifacts in thoracic inlet and shoulder pronounced in 40 keV image (A) are reduced in 60 keV images (B). Because iodine contrast is progressively reduced at higher keV images, overall optimal image quality can be achieved around 60 keV… Korean J Radiol Jul-Aug;18(4):

Download ppt "Fig. 4. Coronal chest noise-optimized virtual monoenergetic dual-energy CT imaging. Beam-hardening and/or photon starvation artifacts in thoracic inlet."

Similar presentations

ARTIFACTS IN COMPUTED TOMOGRAPHY

ARTIFACTS IN COMPUTED TOMOGRAPHY
IMAGE QUALITY NOISE LINEARITY CROSS-FIELD UNIFORMITY IMAGE ARTIFACTS.

IMAGE QUALITY NOISE LINEARITY CROSS-FIELD UNIFORMITY IMAGE ARTIFACTS.
Sunday Case of the Day How does the presence of the object impact patient dose? A. Increases by 20% - 50% B. Increases by 3% - 5% C. No Change D. Decreases.

Sunday Case of the Day How does the presence of the object impact patient dose? A. Increases by 20% - 50% B. Increases by 3% - 5% C. No Change D. Decreases.
Fig. 2. Marking needle entry point with laser navigation system (LNS)

Fig. 2. Marking needle entry point with laser navigation system (LNS)
Fig. 1. 18FDG PET-CT in patient with cutaneous T-cell lymphoma with treatment response. Baseline (A) and post treatment (B) axial fused PET-CT images demonstrate.

Fig FDG PET-CT in patient with cutaneous T-cell lymphoma with treatment response. Baseline (A) and post treatment (B) axial fused PET-CT images demonstrate.
Fig. 1. 62-year-old female presented with right lower quadrant pain one year after laparoscopic cholecystectomy.A-D.Axial CT images show localized omental.

Fig. 1. 62-year-old female presented with right lower quadrant pain one year after laparoscopic cholecystectomy.A-D.Axial CT images show localized omental.
Fig. 3. Imaging factors alone in case 14 with cerebellar heterotopia. A. Axial proton density T2-weighted initial MR image (0.3T, non-epilepsy protocol)

Fig. 3. Imaging factors alone in case 14 with cerebellar heterotopia. A. Axial proton density T2-weighted initial MR image (0.3T, non-epilepsy protocol)
Fig. 4. Case 7. 3D virtual rendering image (A) shows kissing artifact (arrowheads) between aneurysm sac and adjacent internal carotid artery (ICA). After.

Fig. 4. Case 7. 3D virtual rendering image (A) shows kissing artifact (arrowheads) between aneurysm sac and adjacent internal carotid artery (ICA). After.
New Hybrid Monochromatic CT Images Achieve High Suppression of Metallic Artifacts While Preserving Soft Tissue and Iodine Contrast Michal Kulon, Peter.

New Hybrid Monochromatic CT Images Achieve High Suppression of Metallic Artifacts While Preserving Soft Tissue and Iodine Contrast Michal Kulon, Peter.
Fig. 14. Computed tomography (CT) and schema of transduodenal ampullectomy. A. Schema of transduodenal ampullectomy. Different resection margins between.

Fig. 14. Computed tomography (CT) and schema of transduodenal ampullectomy. A. Schema of transduodenal ampullectomy. Different resection margins between.
Fig year-old man presented with 4-day history of febrile sensation. A

Fig year-old man presented with 4-day history of febrile sensation. A
45-year-old woman with BMI of 23.1 and chest circumference of 94.0 cm. Axial CT images obtained at 120 kV and 200 mAs show ascending aorta with image noise.

45-year-old woman with BMI of 23.1 and chest circumference of 94.0 cm. Axial CT images obtained at 120 kV and 200 mAs show ascending aorta with image noise.
Fig year-old man with CLL and transformation to DLBCL. A

Fig year-old man with CLL and transformation to DLBCL. A
Fig year-old woman with invasive lobular breast cancer. A

Fig year-old woman with invasive lobular breast cancer. A
Fig. 5. Both imaging and lesion factors in case 3 with focal cortical dysplasia. A. Axial T2-weighted initial MR image (1.5T, non-epilepsy protocol) obtained.

Fig. 5. Both imaging and lesion factors in case 3 with focal cortical dysplasia. A. Axial T2-weighted initial MR image (1.5T, non-epilepsy protocol) obtained.
Fig. 12. Intraluminal gas in GI tract unassociated with CPR in 64-year-old deceased man (case 14). CT scan obtained 3 hours and 57 minutes after death.

Fig. 12. Intraluminal gas in GI tract unassociated with CPR in 64-year-old deceased man (case 14). CT scan obtained 3 hours and 57 minutes after death.
Fig. 1. 53-year-old woman with primary renal extraskeletal Ewing sarcoma family of tumors. A. Coronal contrast-enhanced computed tomography scan of abdomen.

Fig year-old woman with primary renal extraskeletal Ewing sarcoma family of tumors. A. Coronal contrast-enhanced computed tomography scan of abdomen.
Fig. 8. Response to aromatase inhibitor and cyclin dependent kinase inhibitor in metastatic hormone receptor+, HER2 negative breast cancer. In this 29-year-old.

Fig. 8. Response to aromatase inhibitor and cyclin dependent kinase inhibitor in metastatic hormone receptor+, HER2 negative breast cancer. In this 29-year-old.
Fig. 9. Hemorrhagic hyperdense fluid in colon in 50-year-old deceased woman (case 11). CT scan obtained 2 hours and 17 minutes after death shows hyperdense.

Fig. 9. Hemorrhagic hyperdense fluid in colon in 50-year-old deceased woman (case 11). CT scan obtained 2 hours and 17 minutes after death shows hyperdense.
Fig. 2. 70-year-old female with retear shows high entropy value measured by GLCM. A. Small-sized rim-rent tear of supraspinatus tendon is identified at.

Fig year-old female with retear shows high entropy value measured by GLCM. A. Small-sized rim-rent tear of supraspinatus tendon is identified at.

Similar presentations

Ads by Google