Dirk Graafen
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Explore the profile of Dirk Graafen including associated specialties, affiliations and a list of published articles.
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Articles
19
Citations
111
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0
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Recent Articles
1.
Halfmann M, Bockius S, Emrich T, Hell M, Schoepf U, Laux G, et al.
Radiology
. 2025 Feb;
314(2):e259003.
PMID: 39998380
No abstract available.
2.
Graafen D, Bart W, Halfmann M, Muller L, Hobohm L, Yang Y, et al.
Eur Radiol Exp
. 2024 Aug;
8(1):89.
PMID: 39090380
Background: Lower extremity peripheral artery disease frequently presents with calcifications which reduces the accuracy of computed tomography (CT) angiography, especially below-the-knee. Photon-counting detector (PCD)-CT offers improved spatial resolution and less...
3.
Jorg T, Halfmann M, Graafen D, Hobohm L, Duber C, Mildenberger P, et al.
Rofo
. 2024 May;
197(2):186-195.
PMID: 38806150
Structured reporting (SR) not only offers advantages regarding report quality but, as an IT-based method, also the opportunity to aggregate and analyze large, highly structured datasets (data mining). In this...
4.
Vecsey-Nagy M, Varga-Szemes A, Schoepf U, Tremamunno G, Fink N, Zsarnoczay E, et al.
Eur J Radiol
. 2024 May;
176:111517.
PMID: 38805884
Purpose: To assess the impact of different quantum iterative reconstruction (QIR) levels on objective and subjective image quality of ultra-high resolution (UHR) coronary CT angiography (CCTA) images and to determine...
5.
Kapper C, Muller L, Kronfeld A, Mercado M, Altmann S, Grauhan N, et al.
Rofo
. 2024 May;
197(1):65-75.
PMID: 38749431
To evaluate the effect of a vendor-agnostic deep learning denoising (DLD) algorithm on diagnostic image quality of non-contrast cranial computed tomography (ncCT) across five CT scanners.This retrospective single-center study included...
6.
Halfmann M, Bockius S, Emrich T, Hell M, Schoepf U, Laux G, et al.
Radiology
. 2024 Feb;
310(2):e231956.
PMID: 38376407
Background Coronary CT angiography is a first-line test in coronary artery disease but is limited by severe calcifications. Photon-counting-detector (PCD) CT improves spatial resolution. Purpose To investigate the effect of...
7.
Sagoschen I, Scibior B, Farmakis I, Keller K, Graafen D, Griemert E, et al.
Clin Res Cardiol
. 2023 Dec;
113(4):581-590.
PMID: 38112742
Background: Over the last few years, the concept of multidisciplinary pulmonary embolism response teams (PERTs) has emerged to encounter the increasing variety and complexity in managing acute pulmonary embolism (PE)....
8.
Graafen D, Halfmann M, Emrich T, Yang Y, Kreuter M, Duber C, et al.
Diagnostics (Basel)
. 2023 Dec;
13(23).
PMID: 38066763
Photon-counting detector computed tomography (PCD-CT) yields improved spatial resolution. The combined use of PCD-CT and a modern iterative reconstruction method, known as quantum iterative reconstruction (QIR), has the potential to...
9.
Velollari O, Reinhardt C, Knorr M, Schnitzler K, Graafen D, Miederer M, et al.
Infect Dis Rep
. 2023 Oct;
15(5):635-641.
PMID: 37888140
, an integral component of the skin's customary bacterial flora, represents a Gram-positive anaerobic bacterium characterized by its low virulence. Despite its low virulence, the pathogen can cause profound-seated infections...
10.
Graafen D, Stoehr F, Halfmann M, Emrich T, Foerster F, Yang Y, et al.
Cancer Imaging
. 2023 Jul;
23(1):69.
PMID: 37480062
Background: Excellent image quality is crucial for workup of hepatocellular carcinoma (HCC) in patients with liver cirrhosis because a signature tumor signal allows for non-invasive diagnosis without histologic proof. Photon-counting...