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@ARTICLE{Reinert:276774,
author = {C. P. Reinert and C. Liang and M. Weissinger and J. Vogel
and A. Forschner and K. Nikolaou$^*$ and C. la Fougère$^*$
and F. Seith},
title = {{W}hole-{B}ody {M}agnetic {R}esonance {I}maging ({MRI}) for
{S}taging {M}elanoma {P}atients in {D}irect {C}omparison to
{C}omputed {T}omography ({CT}): {R}esults from a
{P}rospective {P}ositron {E}mission {T}omography
({PET})/{CT} and {PET}/{MRI} {S}tudy.},
journal = {Diagnostics},
volume = {13},
number = {11},
issn = {2075-4418},
address = {Basel},
publisher = {MDPI},
reportid = {DKFZ-2023-01155},
pages = {1963},
year = {2023},
abstract = {The consideration of radiation exposure is becoming more
important in metastatic melanoma due to improved prognoses.
The aim of this prospective study was to investigate the
diagnostic performance of whole-body (WB) magnetic resonance
imaging (MRI) in comparison to computed tomography (CT) with
18F-FDG positron emission tomography (PET)/CT and
18F-PET/MRI together with a follow-up as the reference
standard.Between April 2014 and April 2018, a total of 57
patients (25 females, mean age of 64 ± 12 years) underwent
WB-PET/CT and WB-PET/MRI on the same day. The CT and MRI
scans were independently evaluated by two radiologists who
were blinded to the patients' information. The reference
standard was evaluated by two nuclear medicine specialists.
The findings were categorized into different regions: lymph
nodes/soft tissue (I), lungs (II), abdomen/pelvis (III), and
bone (IV). A comparative analysis was conducted for all the
documented findings. Inter-reader reliability was assessed
using Bland-Altman procedures, and McNemar's test was
utilized to determine the differences between the readers
and the methods.Out of the 57 patients, 50 were diagnosed
with metastases in two or more regions, with the majority
being found in region I. The accuracies of CT and MRI did
not show significant differences, except in region II where
CT detected more metastases compared to MRI (0.90 vs. 0.68,
p = 0.008). On the other hand, MRI had a higher detection
rate in region IV compared to CT (0.89 vs. 0.61, p > 0.05).
The level of agreement between the readers varied depending
on the number of metastases and the specific region, with
the highest agreement observed in region III and the lowest
observed in region I.In patients with advanced melanoma,
WB-MRI has the potential to serve as an alternative to CT
with comparable diagnostic accuracy and confidence across
most regions. The observed limited sensitivity for the
detection of pulmonary lesions might be improved through
dedicated lung imaging sequences.},
keywords = {computed tomography (Other) / magnetic resonance imaging
(Other) / melanoma (Other) / positron emission tomography
(Other) / staging (Other)},
cin = {TU01},
ddc = {610},
cid = {I:(DE-He78)TU01-20160331},
pnm = {899 - ohne Topic (POF4-899)},
pid = {G:(DE-HGF)POF4-899},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:37296815},
pmc = {pmc:PMC10253107},
doi = {10.3390/diagnostics13111963},
url = {https://inrepo02.dkfz.de/record/276774},
}