Universität zu Köln

Michael, Arwed Elias, Boriesosdick, Jan, Schoenbeck, Denise, Lopez-Schmidt, Ingo, Kroeger, Jan Robert ORCID: 0000-0003-1218-7610, Moenninghoff, Christoph, Horstmeier, Sebastian ORCID: 0000-0001-5352-0059, Pennig, Lenhard, Borggrefe, Jan ORCID: 0000-0003-2908-7560 and Niehoff, Julius Henning (2022). Photon Counting CT Angiography of the Head and Neck: Image Quality Assessment of Polyenergetic and Virtual Monoenergetic Reconstructions. Diagnostics, 12 (6). BASEL: MDPI. ISSN 2075-4418

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Abstract

Background: The purpose of the present study was the evaluation of the image quality of polyenergetic and monoenergetic reconstructions (PERs and MERs) of CT angiographies (CTAs) of the head and neck acquired with the novel photon counting CT (PCCT) method in clinical routine. Methods: Thirty-seven patients were enrolled in this retrospective study. Quantitative image parameters of the extracranial, intracranial and cerebral arteries were evaluated for the PER and MER (40-120 keV). Additionally, two radiologists rated the perceived image quality. Results: The mean CTDIvol used in the PCCT was 8.31 +/- 1.19 mGy. The highest signal within the vessels was detected in the 40 keV MER, whereas the lowest noise was detected in the 115 keV MER. The most favorable contrast-to-noise-ratio (CNR) and signal-to-noise-ratio (SNR) were detected in the PER and low keV MER. In the qualitative image analysis, the PER was superior to the MER in all rated criteria. For MER, 60-65 keV was rated as best image quality. Conclusion: Overall, PCCT offers excellent image quality for CTAs of the head and neck. At the current state, the PER of the PCCT seems to be the most favorable reconstruction for diagnostic reporting.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Michael, Arwed Elias UNSPECIFIED UNSPECIFIED UNSPECIFIED Boriesosdick, Jan UNSPECIFIED UNSPECIFIED UNSPECIFIED Schoenbeck, Denise UNSPECIFIED UNSPECIFIED UNSPECIFIED Lopez-Schmidt, Ingo UNSPECIFIED UNSPECIFIED UNSPECIFIED Kroeger, Jan Robert UNSPECIFIED orcid.org/0000-0003-1218-7610 UNSPECIFIED Moenninghoff, Christoph UNSPECIFIED UNSPECIFIED UNSPECIFIED Horstmeier, Sebastian UNSPECIFIED orcid.org/0000-0001-5352-0059 UNSPECIFIED Pennig, Lenhard UNSPECIFIED UNSPECIFIED UNSPECIFIED Borggrefe, Jan UNSPECIFIED orcid.org/0000-0003-2908-7560 UNSPECIFIED Niehoff, Julius Henning UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-667938
DOI:	10.3390/diagnostics12061306
Journal or Publication Title:	Diagnostics
Volume:	12
Number:	6
Date:	2022
Publisher:	MDPI
Place of Publication:	BASEL
ISSN:	2075-4418
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language KILOELECTRON-VOLT-SETTINGS; LAYER DETECTOR CT; OPTIMIZATION; PERFORMANCE; DIAGNOSIS Multiple languages Medicine, General & Internal Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/66793