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Items: 1 to 50 of 293

1.

Dedicated Breast Computed Tomography With a Photon-Counting Detector: Initial Results of Clinical In Vivo Imaging.

Berger N, Marcon M, Saltybaeva N, Kalender WA, Alkadhi H, Frauenfelder T, Boss A.

Invest Radiol. 2019 Jul;54(7):409-418. doi: 10.1097/RLI.0000000000000552.

PMID:
30829942
2.

Metal Artifact Reduction in X-ray Computed Tomography Using Computer-Aided Design Data of Implants as Prior Information.

Ruth V, Kolditz D, Steiding C, Kalender WA.

Invest Radiol. 2017 Jun;52(6):349-359. doi: 10.1097/RLI.0000000000000345.

PMID:
28106615
3.

Performance of Photon-Counting Breast Computed Tomography, Digital Mammography, and Digital Breast Tomosynthesis in Evaluating Breast Specimens.

Rößler AC, Kalender W, Kolditz D, Steiding C, Ruth V, Preuss C, Peter SC, Brehm B, Hammon M, Schulz-Wendtland R, Wenkel E.

Acad Radiol. 2017 Feb;24(2):184-190. doi: 10.1016/j.acra.2016.09.017. Epub 2016 Nov 22.

PMID:
27888024
4.

Securing safe and informative thoracic CT examinations-Progress of radiation dose reduction techniques.

Kubo T, Ohno Y, Seo JB, Yamashiro T, Kalender WA, Lee CH, Lynch DA, Kauczor HU, Hatabu H.

Eur J Radiol. 2017 Jan;86:313-319. doi: 10.1016/j.ejrad.2016.10.012. Epub 2016 Oct 13. Review.

PMID:
27773483
5.

Dose Optimization for Computed Tomography Localizer Radiographs for Low-Dose Lung Computed Tomography Examinations.

Schmidt BT, Hupfer M, Saltybaeva N, Kolditz D, Kalender WA.

Invest Radiol. 2017 Feb;52(2):81-86. doi: 10.1097/RLI.0000000000000311.

PMID:
27518213
6.

Technical feasibility proof for high-resolution low-dose photon-counting CT of the breast.

Kalender WA, Kolditz D, Steiding C, Ruth V, Lück F, Rößler AC, Wenkel E.

Eur Radiol. 2017 Mar;27(3):1081-1086. doi: 10.1007/s00330-016-4459-3. Epub 2016 Jun 15.

PMID:
27306559
7.

High Atomic Number Contrast Media Offer Potential for Radiation Dose Reduction in Contrast-Enhanced Computed Tomography.

Roessler AC, Hupfer M, Kolditz D, Jost G, Pietsch H, Kalender WA.

Invest Radiol. 2016 Apr;51(4):249-54. doi: 10.1097/RLI.0000000000000232.

PMID:
26606552
8.

Screening for breast cancer with Breast-CT in a ProHTA simulation.

Ruile G, Djanatliev A, Kriza C, Meier F, Leb I, Kalender WA, Kolominsky-Rabas PL; National Leading-Edge Cluster Medical Technologies ‘Medical Valley EMN’.

J Comp Eff Res. 2015 Nov;4(6):553-67. doi: 10.2217/cer.15.42. Epub 2015 Nov 4.

PMID:
26535610
9.

Optical measurement of dimensional parameters of the breast with subjects in prone position.

Roessler AC, Althoff F, Jaeger F, Kalender W, Wenkel E.

J Med Imaging (Bellingham). 2015 Jul;2(3):034001. doi: 10.1117/1.JMI.2.3.034001. Epub 2015 Jul 31.

10.

The Influence of Patient Positioning in Breast CT on Breast Tissue Coverage and Patient Comfort.

Rößler AC, Wenkel E, Althoff F, Kalender W.

Rofo. 2015 May;36(2):115-22. doi: 10.1055/s-0034-1385208. Epub 2014 Sep 22.

PMID:
25912329
11.

Comparative investigation of the detective quantum efficiency of direct and indirect conversion detector technologies in dedicated breast CT.

Kuttig JD, Steiding C, Kolditz D, Hupfer M, Karolczak M, Kalender WA.

Phys Med. 2015 Jun;31(4):406-13. doi: 10.1016/j.ejmp.2015.03.007. Epub 2015 Apr 2.

PMID:
25841299
12.

Characterization of knee osteoarthritis-related changes in trabecular bone using texture parameters at various levels of spatial resolution-a simulation study.

Lowitz T, Museyko O, Bousson V, Kalender WA, Laredo JD, Engelke K.

Bonekey Rep. 2014 Dec 3;3:615. doi: 10.1038/bonekey.2014.110. eCollection 2014.

13.

Comparison of methods for acceptance and constancy testing in dental cone-beam computed tomography.

Steiding C, Kolditz D, Kalender W.

Rofo. 2015 Apr;187(4):283-90. doi: 10.1055/s-0034-1385333. Epub 2014 Nov 12.

14.

Generating and using patient-specific whole-body models for organ dose estimates in CT with increased accuracy: feasibility and validation.

Kalender WA, Saltybaeva N, Kolditz D, Hupfer M, Beister M, Schmidt B.

Phys Med. 2014 Dec;30(8):925-33. doi: 10.1016/j.ejmp.2014.09.005. Epub 2014 Oct 5.

PMID:
25288527
15.

The influence of patient positioning in breast CT on breast tissue coverage and patient comfort.

Rößler AC, Wenkel E, Althoff F, Kalender W.

Rofo. 2015 Feb;187(2):115-22. doi: 10.1055/s-0034-1385208. Epub 2014 Sep 22.

16.

Experimental validation of a single shaped filter approach for CT using variable source-to-filter distance for examination of arbitrary object diameters.

Lück F, Kolditz D, Hupfer M, Steiding C, Kalender WA.

Phys Med Biol. 2014 Oct 7;59(19):5691-706. doi: 10.1088/0031-9155/59/19/5691. Epub 2014 Sep 8.

PMID:
25198916
17.

Registration of 2D histological sections with 3D micro-CT datasets from small animal vertebrae and tibiae.

Museyko O, Marshall RP, Lu J, Hess A, Schett G, Amling M, Kalender WA, Engelke K.

Comput Methods Biomech Biomed Engin. 2015;18(15):1658-73. doi: 10.1080/10255842.2014.941824. Epub 2014 Aug 19.

PMID:
25136982
18.

Estimates of effective dose for CT scans of the lower extremities.

Saltybaeva N, Jafari ME, Hupfer M, Kalender WA.

Radiology. 2014 Oct;273(1):153-9. doi: 10.1148/radiol.14132903. Epub 2014 Jun 16.

PMID:
24937693
19.

Dynamic contrast-enhanced micro-computed tomography correlates with 3-dimensional fluorescence ultramicroscopy in antiangiogenic therapy of breast cancer xenografts.

Pöschinger T, Renner A, Eisa F, Dobosz M, Strobel S, Weber TG, Brauweiler R, Kalender WA, Scheuer W.

Invest Radiol. 2014 Jul;49(7):445-56. doi: 10.1097/RLI.0000000000000038.

PMID:
24598441
20.

A quality assurance framework for the fully automated and objective evaluation of image quality in cone-beam computed tomography.

Steiding C, Kolditz D, Kalender WA.

Med Phys. 2014 Mar;41(3):031901. doi: 10.1118/1.4863507.

PMID:
24593719
21.

Dose in x-ray computed tomography.

Kalender WA.

Phys Med Biol. 2014 Feb 7;59(3):R129-50. doi: 10.1088/0031-9155/59/3/R129. Epub 2014 Jan 17. Review.

PMID:
24434792
22.

A Digital Model to Simulate Effects of Bone Architecture Variations on Texture at Spatial Resolutions of CT, HR-pQCT, and μCT Scanners.

Lowitz T, Museyko O, Bousson V, Kalender WA, Laredo JD, Engelke K.

J Med Eng. 2014;2014:946574. doi: 10.1155/2014/946574. Epub 2014 May 18.

23.

A low-radiation exposure protocol for 3D QCT of the spine.

Museyko O, Heinemann A, Krause M, Wulff B, Amling M, Püschel K, Glüer CC, Kalender W, Engelke K.

Osteoporos Int. 2014 Mar;25(3):983-92. doi: 10.1007/s00198-013-2544-x. Epub 2013 Oct 19.

PMID:
24142100
24.

Long-term exercise and risk of metabolic and cardiac diseases: the erlangen fitness and prevention study.

Kemmler W, von Stengel S, Bebenek M, Kalender WA.

Evid Based Complement Alternat Med. 2013;2013:768431. doi: 10.1155/2013/768431. Epub 2013 Jul 30.

25.

Assessment of patient dose from CT localizer radiographs.

Schmidt B, Saltybaeva N, Kolditz D, Kalender WA.

Med Phys. 2013 Aug;40(8):084301. doi: 10.1118/1.4813296.

PMID:
23927364
26.

Effect of shaped filter design on dose and image quality in breast CT.

Lück F, Kolditz D, Hupfer M, Kalender WA.

Phys Med Biol. 2013 Jun 21;58(12):4205-23. doi: 10.1088/0031-9155/58/12/4205. Epub 2013 May 28.

PMID:
23715466
27.

Bone marrow lesions identified by MRI in knee osteoarthritis are associated with locally increased bone mineral density measured by QCT.

Lowitz T, Museyko O, Bousson V, Laouisset L, Kalender WA, Laredo JD, Engelke K.

Osteoarthritis Cartilage. 2013 Jul;21(7):957-64. doi: 10.1016/j.joca.2013.04.006. Epub 2013 Apr 18.

28.

Integrated whole-body PET/MR hybrid imaging: clinical experience.

Quick HH, von Gall C, Zeilinger M, Wiesmüller M, Braun H, Ziegler S, Kuwert T, Uder M, Dörfler A, Kalender WA, Lell M.

Invest Radiol. 2013 May;48(5):280-9. doi: 10.1097/RLI.0b013e3182845a08.

PMID:
23442775
29.

A fully sensorized cooperative robotic system for surgical interventions.

Tovar-Arriaga S, Vargas JE, Ramos JM, Aceves MA, Gorrostieta E, Kalender WA.

Sensors (Basel). 2012;12(7):9423-47. Epub 2012 Jul 9.

30.

Image quality of ultra-low radiation exposure coronary CT angiography with an effective dose <0.1 mSv using high-pitch spiral acquisition and raw data-based iterative reconstruction.

Schuhbaeck A, Achenbach S, Layritz C, Eisentopf J, Hecker F, Pflederer T, Gauss S, Rixe J, Kalender W, Daniel WG, Lell M, Ropers D.

Eur Radiol. 2013 Mar;23(3):597-606. doi: 10.1007/s00330-012-2656-2. Epub 2012 Sep 16.

PMID:
22983283
31.

[Current strategies for dosage reduction in computed tomography].

May MS, Wuest W, Lell MM, Uder M, Kalender WA, Schmidt B.

Radiologe. 2012 Oct;52(10):905-13. doi: 10.1007/s00117-012-2338-8. German.

PMID:
22914872
32.

Image features for misalignment correction in medical flat-detector CT.

Wicklein J, Kunze H, Kalender WA, Kyriakou Y.

Med Phys. 2012 Aug;39(8):4918-31. doi: 10.1118/1.4736532.

PMID:
22894418
33.

Spectral optimization for micro-CT.

Hupfer M, Nowak T, Brauweiler R, Eisa F, Kalender WA.

Med Phys. 2012 Jun;39(6):3229-39. doi: 10.1118/1.4718575.

PMID:
22755706
34.

Fast on-site Monte Carlo tool for dose calculations in CT applications.

Chen W, Kolditz D, Beister M, Bohle R, Kalender WA.

Med Phys. 2012 Jun;39(6):2985-96. doi: 10.1118/1.4711748.

PMID:
22755683
35.

Development and evaluation of a phantom for dynamic contrast-enhanced imaging.

Brauweiler R, Eisa F, Hupfer M, Nowak T, Kolditz D, Kalender WA.

Invest Radiol. 2012 Aug;47(8):462-7. doi: 10.1097/RLI.0b013e318250a72c.

PMID:
22717880
36.

An integrated segmentation and analysis approach for QCT of the knee to determine subchondral bone mineral density and texture.

Zerfass P, Lowitz T, Museyko O, Bousson V, Laouisset L, Kalender WA, Laredo JD, Engelke K.

IEEE Trans Biomed Eng. 2012 Sep;59(9):2449-58. doi: 10.1109/TBME.2012.2202660. Epub 2012 Jun 5.

PMID:
22692866
37.

Achieving routine submillisievert CT scanning: report from the summit on management of radiation dose in CT.

McCollough CH, Chen GH, Kalender W, Leng S, Samei E, Taguchi K, Wang G, Yu L, Pettigrew RI.

Radiology. 2012 Aug;264(2):567-80. Epub 2012 Jun 12.

38.

TU-D-217A-01: CTDI and Patient Dose: A European Perspective.

Kalender W.

Med Phys. 2012 Jun;39(6Part24):3906. doi: 10.1118/1.4735945.

PMID:
28518677
39.

Optical tracking of contrast medium bolus to optimize bolus shape and timing in dynamic computed tomography.

Eisa F, Brauweiler R, Peetz A, Hupfer M, Nowak T, Kalender WA.

Phys Med Biol. 2012 May 21;57(10):N173-82. doi: 10.1088/0031-9155/57/10/N173. Epub 2012 Apr 20.

PMID:
22517124
40.

Time-delayed summation as a means of improving resolution on fast rotating computed tomography systems.

Nowak T, Hupfer M, Althoff F, Brauweiler R, Eisa F, Steiding C, Kalender WA.

Med Phys. 2012 Apr;39(4):2249-60. doi: 10.1118/1.3697533.

PMID:
22482646
41.

A formulation of tissue- and water-equivalent materials using the stoichiometric analysis method for CT-number calibration in radiotherapy treatment planning.

Yohannes I, Kolditz D, Langner O, Kalender WA.

Phys Med Biol. 2012 Mar 7;57(5):1173-90. doi: 10.1088/0031-9155/57/5/1173. Epub 2012 Feb 14.

PMID:
22330195
42.

Dosimetry concepts for scanner quality assurance and tissue dose assessment in micro-CT.

Hupfer M, Kolditz D, Nowak T, Eisa F, Brauweiler R, Kalender WA.

Med Phys. 2012 Feb;39(2):658-70. doi: 10.1118/1.3675400.

PMID:
22320775
43.

Iterative reconstruction methods in X-ray CT.

Beister M, Kolditz D, Kalender WA.

Phys Med. 2012 Apr;28(2):94-108. doi: 10.1016/j.ejmp.2012.01.003. Epub 2012 Feb 10. Review.

PMID:
22316498
44.

Potential of high-Z contrast agents in clinical contrast-enhanced computed tomography.

Nowak T, Hupfer M, Brauweiler R, Eisa F, Kalender WA.

Med Phys. 2011 Dec;38(12):6469-82. doi: 10.1118/1.3658738.

PMID:
22149830
45.

Akt and p53 are potential mediators of reduced mammary tumor growth by cloroquine and the mTOR inhibitor RAD001.

Loehberg CR, Strissel PL, Dittrich R, Strick R, Dittmer J, Dittmer A, Fabry B, Kalender WA, Koch T, Wachter DL, Groh N, Polier A, Brandt I, Lotz L, Hoffmann I, Koppitz F, Oeser S, Mueller A, Fasching PA, Lux MP, Beckmann MW, Schrauder MG.

Biochem Pharmacol. 2012 Feb 15;83(4):480-8. doi: 10.1016/j.bcp.2011.11.022. Epub 2011 Nov 28.

PMID:
22142888
46.

Dynamic contrast-enhanced micro-CT on mice with mammary carcinoma for the assessment of antiangiogenic therapy response.

Eisa F, Brauweiler R, Hupfer M, Nowak T, Lotz L, Hoffmann I, Wachter D, Dittrich R, Beckmann MW, Jost G, Pietsch H, Kalender WA.

Eur Radiol. 2012 Apr;22(4):900-7. doi: 10.1007/s00330-011-2318-9. Epub 2011 Nov 10.

PMID:
22071777
47.

[Effects of two different types of whole body vibration on neuromuscular performance and body composition in postmenopausal women].

Klarner A, von Stengel S, Kemmler W, Kladny B, Kalender W.

Dtsch Med Wochenschr. 2011 Oct;136(42):2133-9. doi: 10.1055/s-0031-1292023. Epub 2011 Oct 11. German.

PMID:
21990056
48.

Radiation dose considerations by intra-individual Monte Carlo simulations in dual source spiral coronary computed tomography angiography with electrocardiogram-triggered tube current modulation and adaptive pitch.

May MS, Deak P, Kuettner A, Lell MM, Wuest W, Scharf M, Keller AK, Häberle L, Achenbach S, Seltmann M, Uder M, Kalender WA.

Eur Radiol. 2012 Mar;22(3):569-78. doi: 10.1007/s00330-011-2300-6. Epub 2011 Oct 9.

PMID:
21984448
49.

Volume-of-interest imaging of the inner ear in a human temporal bone specimen using a robot- driven C-arm flat panel detector CT system.

Kolditz D, Struffert T, Kyriakou Y, Bozzato A, Dörfler A, Kalender WA.

AJNR Am J Neuroradiol. 2012 Nov;33(10):E124-8. doi: 10.3174/ajnr.A2577. Epub 2011 Aug 11.

50.

High-resolution spiral CT of the breast at very low dose: concept and feasibility considerations.

Kalender WA, Beister M, Boone JM, Kolditz D, Vollmar SV, Weigel MC.

Eur Radiol. 2012 Jan;22(1):1-8. doi: 10.1007/s00330-011-2169-4. Epub 2011 Jun 9.

PMID:
21656331

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