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  • Niklasson, ErikDepartment of Laboratory Medicine, Division of Clinical Physiology, Karolinska Institutet, Stockholm, Sweden (författare)

Assessment of anterior thigh muscle size and fat infiltration using single-slice CT imaging versus automated MRI analysis in adults

  • Artikel/kapitelEngelska2022

Förlag, utgivningsår, omfång ...

  • London, United Kingdom :British Institute of Radiology,2022
  • electronicrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:liu-183191
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-183191URI
  • https://doi.org/10.1259/bjr.20211094DOI
  • http://kipublications.ki.se/Default.aspx?queryparsed=id:150677221URI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Funding: Swedish Research Council (Vetenskapsradet) [VR 2019-04751]
  • Objectives: We examined the longitudinal and cross- sectional relationship between automated MRI-analysis and single-slice axial CT imaging for determining muscle size and muscle fat infiltration (MFI) of the anterior thigh.Methods: Twenty-two patients completing sex-hormone treatment expected to result in muscle hypertrophy (n = 12) and atrophy (n = 10) underwent MRI scans using 2-point Dixon fat/water-separated sequences and CT scans using a system operating at 120 kV and a fixed flux of 100 mA. At baseline and 12 months after, auto- mated volumetric MRI analysis of the anterior thigh was performed bilaterally, and fat-free muscle volume and MFI were computed. In addition, cross-sectional area (CSA) and radiological attenuation (RA) (as a marker of fat infiltration) were calculated from single slice axial CT-images using threshold-assisted planimetry. Linear regression models were used to convert units.Results: There was a strong correlation between MRI- derived fat-free muscle volume and CT-derived CSA (R = 0.91), and between MRI-derived MFI and CT-derived RA (R = −0.81). The 95% limits of agreement were ±0.32 L for muscle volume and ±1.3% units for %MFI. The longi- tudinal change in muscle size and MFI was comparable across imaging modalities.Conclusions: Both automated MRI and single-slice CT-imaging can be used to reliably quantify anterior thigh muscle size and MFI.Advances in knowledge: This is the first study examining the intermodal agreement between automated MRI anal- ysis and CT-image assessment of muscle size and MFI in the anterior thigh muscles. Our results support that both CT- and MRI-derived measures of muscle size and MFI can be used in clinical settings.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Borga, Magnus,1965-Linköpings universitet,Avdelningen för medicinsk teknik,Tekniska fakulteten,AMRA Medical AB, Linköping, Sweden(Swepub:liu)magbo72 (författare)
  • Dahlqvist Leinhard, Olof,1978-Linköpings universitet,Avdelningen för diagnostik och specialistmedicin,Medicinska fakulteten,Centrum för medicinsk bildvetenskap och visualisering, CMIV,Region Östergötland, Röntgenkliniken i Linköping,AMRA Medical AB, Linköping, Sweden(Swepub:liu)oloda24 (författare)
  • Widholm, PerLinköpings universitet,Avdelningen för diagnostik och specialistmedicin,Medicinska fakulteten,Centrum för medicinsk bildvetenskap och visualisering, CMIV,Region Östergötland, Röntgenkliniken i Linköping,AMRA Medical AB, Linköping, Sweden(Swepub:liu)perwi01 (författare)
  • Andersson, Daniel PKarolinska Institutet,Department of Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden (författare)
  • Wiik, AnnaKarolinska Institutet,Department of Laboratory Medicine, Division of Clinical Physiology, Karolinska Institutet, Stockholm, Sweden; Unit of Clinical Physiology, Karolinska University Hospital, Stockholm, Sweden (författare)
  • Holmberg, MatsKarolinska Institutet,Department of Medicine, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden; ANOVA, Andrology, Sexual Medicine and Transgender Medicine, Karolinska University Hospital, Stockholm, Sweden (författare)
  • Brismar, Torkel BKarolinska Institutet,Division of Radiology, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden (författare)
  • Gustafsson, ThomasKarolinska Institutet,Department of Laboratory Medicine, Division of Clinical Physiology, Karolinska Institutet, Stockholm, Sweden; Unit of Clinical Physiology, Karolinska University Hospital, Stockholm, Sweden (författare)
  • Lundberg, Tommy RKarolinska Institutet,Department of Laboratory Medicine, Division of Clinical Physiology, Karolinska Institutet, Stockholm, Sweden; Unit of Clinical Physiology, Karolinska University Hospital, Stockholm, Sweden (författare)
  • Department of Laboratory Medicine, Division of Clinical Physiology, Karolinska Institutet, Stockholm, SwedenAvdelningen för medicinsk teknik (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:British Journal of RadiologyLondon, United Kingdom : British Institute of Radiology95:11330007-12851748-880X

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