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@ARTICLE{DeikeHofmann:132797,
author = {K. Deike-Hofmann$^*$ and D. Thünemann$^*$ and M.
Breckwoldt$^*$ and D. Schwarz$^*$ and A. Radbruch$^*$ and A.
Enk and M. Bendszus and J. Hassel and H.-P. Schlemmer$^*$
and P. Bäumer$^*$},
title = {{S}ensitivity of different {MRI} sequences in the early
detection of melanoma brain metastases.},
journal = {PLoS one},
volume = {13},
number = {3},
issn = {1932-6203},
address = {Lawrence, Kan.},
publisher = {PLoS},
reportid = {DKFZ-2018-00441},
pages = {e0193946 -},
year = {2018},
abstract = {After the emergence of new MRI techniques such as
susceptibility- and diffusion-weighted imaging (SWI and DWI)
and because of specific imaging characteristics of melanoma
brain metastases (MBM), it is unclear which MRI sequences
are most beneficial for detection of MBM. This study was
performed to investigate the sensitivity of six clinical MRI
sequences in the early detection of MBM.Medical records of
all melanoma patients referred to our center between
November 2005 and December 2016 were reviewed for presence
of MBM. Analysis encompassed six MRI sequences at the time
of initial diagnosis of first or new MBM, including
non-enhanced T1-weighted (T1w), contrast-enhanced T1w
(ceT1w), T2-weighted (T2w), T2w-FLAIR,
susceptibility-weighted (SWI) and diffusion-weighted (DWI)
MRI. Each lesion was rated with respect to its conspicuity
(score from 0-not detectable to 3-clearly visible).Of 1210
patients, 217 with MBM were included in the analysis and up
to 5 lesions per patient were evaluated. A total of 720
metastases were assessed and all six sequences were
available for 425 MBM. Sensitivity (conspicuity ≥2) was
$99.7\%$ for ceT1w, $77.0\%$ for FLAIR, $64.7\%$ for SWI,
$61.0\%$ for T2w, $56.7\%$ for T1w, and $48.4\%$ for DWI.
Thirty-one $(7.3\%)$ of 425 lesions were only detectable by
ceT1w but no other sequence.Contrast-enhanced T1-weighting
is more sensitive than all other sequences for detection of
MBM. Disruption of the blood-brain-barrier is consistently
an earlier sign in MBM than perifocal edema, signal loss on
SWI or diffusion restriction.},
cin = {E010 / E012},
ddc = {500},
cid = {I:(DE-He78)E010-20160331 / I:(DE-He78)E012-20160331},
pnm = {315 - Imaging and radiooncology (POF3-315)},
pid = {G:(DE-HGF)POF3-315},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:29596475},
pmc = {pmc:PMC5875773},
doi = {10.1371/journal.pone.0193946},
url = {https://inrepo02.dkfz.de/record/132797},
}