Source: dcmtk Version: 3.6.8~git20231027.1549d8c-2 Somewhat related to #988644.
Steps: % curl -O https://dclunie.com/images/charset/charsettests.20070405.tar.bz2 % tar xf charsettests.20070405.tar.bz2 % cp charsettests/SCSH32 new.dcm % dcmodify -i "0018,1020=123\456" new.dcm Gives % dcmdump +U8 new.dcm | grep "0018,1020\|0010,0010" (0010,0010) PN [ヤマダ^タロウ=山田^太郎=やまだ^たろう] # 56, 1 PatientName (0018,1020) LO [123¥456] # 8, 1 SoftwareVersions It has been confirmed by upstream that this is a bug. Patch is under review.