C
Christiaan van der Leij
Researcher at University of Amsterdam
Publications - 27
Citations - 286
Christiaan van der Leij is an academic researcher from University of Amsterdam. The author has contributed to research in topics: Medicine & Internal medicine. The author has an hindex of 6, co-authored 9 publications receiving 200 citations.
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Journal ArticleDOI
Evaluation of a Standardized CT Colonography Training Program for Novice Readers
Marjolein H. Liedenbaum,Shandra Bipat,Patrick M.M. Bossuyt,Roy S. Dwarkasing,Margriet C. de Haan,Roel J. Jansen,Dominique Kauffman,Christiaan van der Leij,Manou S. de Lijster,Cindy C. Lute,Marije P. van der Paardt,Maarten Thomeer,Ijsbrand A J Zijlstra,Jaap Stoker +13 more
TL;DR: Novice CT colonography readers obtained sensitivity equal to that of experienced readers after practicing on average 164 CT colonographic studies, and six of nine readers reached this level of competence within 175CT colonographic examinations.
Journal ArticleDOI
Rheumatoid synovial inflammation: pixel-by-pixel dynamic contrast-enhanced MR imaging time-intensity curve shape analysis--a feasibility study.
TL;DR: The pixel-by-pixel dynamic contrast-enhanced MR imaging TIC shape analysis may help distinguish patients with RA from control subjects on the basis of the relative number of type 4 TIC shapes.
Journal ArticleDOI
Algorithm-based care versus usual care for the early recognition and management of complications after pancreatic resection in the Netherlands: an open-label, nationwide, stepped-wedge cluster-randomised trial
F. Jasmijn Smits,A.C. Henry,Marc G. Besselink,Olivier R. Busch,Casper H.J. van Eijck,Mark J. Arntz,Thomas L. Bollen,Otto M. van Delden,Daniel A. F. van den Heuvel,Christiaan van der Leij,Krijn P. van Lienden,Adriaan Moelker,Bert A. Bonsing,Inne H.M. Borel Rinkes,Koop Bosscha,Ronald M. van Dam,Wouter J. M. Derksen,Marcel den Dulk,Sebastiaan Festen,Bas Groot Koerkamp,Robbert J. de Haas,Jeroen Hagendoorn,E. Van der Harst,Ignace H. J. T. de Hingh,Geert Kazemier,M. M. Van Der Kolk,M. S. L. Liem,Daniel J. Lips,Misha D. P. Luyer,Vincent E de Meijer,J. Sven D. Mieog,Vincent B. Nieuwenhuijs,Gijs A. Patijn,Wouter W. te Riele,Daphne Roos,Jennifer M.J. Schreinemakers,Martijn W J Stommel,F. Wit,B.M. Zonderhuis,Lois A. Daamen,Cornelis H. van Werkhoven,I. Quintus Molenaar,Hjalmar C. van Santvoort,J. G. A. M. Blomjous,MT de Boer,Peter B. van den Boezem,Stefan A.W. Bouwense,Rutger C G Bruijnen,Ciairín de Buis,Marco Del Chiaro,P. P. L. O. Coene,Marielle M.E. Coolsen,Freek Daams,Kees Dejong,Werner A. Draaisma,HH Eker,AH Elsen,M. Gerhards,Hermien Hartog,FJ Hoogwater,Fadilah Nur Imani,Sjoerd F. M. Jenniskens,K. de Jong,TM Karsten,Jm Klaase,Rhj de Kleine,Cjhm van Laarhoven,H. V. D. Lelij,Eric R. Manusama,Mark Meerdink,Martijn R. Meijerink,Joost Nederend,MW Nijkamp,CL Nota,Rj. Porte,John Reef,Philip R. de Reuver,C. S. P. Van Rijswijk,T. Romkens,Coen G. Rupert,G. van der Schelling,JP Serafino,LD Vos,M. R. Vriens,E. Beers-Vural,JM Wagtenberg,J. Wijsman,RF de Wilde,Clemens Wolfgang,HJ Zeh +89 more
TL;DR: The algorithm for the early recognition and minimally invasive management of complications after pancreatic resection considerably improved clinical outcomes compared with usual care.
Journal ArticleDOI
Peripheral joint inflammation in early onset spondyloarthritis is not specifically related to enthesitis
Jacqueline E Paramarta,Christiaan van der Leij,Ioana Gofita,Nataliya Yeremenko,Marleen G H van de Sande,Maria J. H. de Hair,Paul P. Tak,Paul P. Tak,Mario Maas,Dominique Baeten +9 more
TL;DR: Enthesitis on MRI is not a specific feature of peripheral arthritis in recent onset SpA versus RA, but synovitis is prominent in both diseases as evaluated by MRI and immunohistochemistry.
Journal ArticleDOI
Characteristics of synovial inflammation in early arthritis analysed by pixel-by-pixel time-intensity curve shape analysis
Marleen G H van de Sande,Christiaan van der Leij,Cristina Lavini,Carla A. Wijbrandts,Mario Maas,Paul P. Tak +5 more
TL;DR: The results are consistent with the view that increased vascularity plays a key role in the pathogenesis of RA and underlines the rationale for further studies investigating the prospect of DCE-MRI TIC shape analysis as a diagnostic tool in early arthritis and the relationship with development of destructive disease.