Validity of an automatic measure protocol in distal femur for allograft selection from a three-dimensional virtual bone bank system

Ritacco, Lucas Eduardo; Seiler, Christof; Farfalli, German Luis; Nolte, Lutz-Peter; Reyes, Mauricio; Muscolo, Domingo Luis; Tinao, Luis Aponte (2013). Validity of an automatic measure protocol in distal femur for allograft selection from a three-dimensional virtual bone bank system. Cell and Tissue Banking, 14(2), pp. 213-220. Springer 10.1007/s10561-012-9307-3

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Osteoarticular allograft is one possible treatment in wide surgical resections with large defects. Performing best osteoarticular allograft selection is of great relevance for optimal exploitation of the bone databank, good surgery outcome and patient’s recovery. Current approaches are, however, very time consuming hindering these points in practice. We present a validation study of a software able to perform automatic bone measurements used to automatically assess the distal femur sizes across a databank. 170 distal femur surfaces were reconstructed from CT data and measured manually using a size measure protocol taking into account the transepicondyler distance (A), anterior-posterior distance in medial condyle (B) and anterior-posterior distance in lateral condyle (C). Intra- and inter-observer studies were conducted and regarded as ground truth measurements. Manual and automatic measures were compared. For the automatic measurements, the correlation coefficients between observer one and automatic method, were of 0.99 for A measure and 0.96 for B and C measures. The average time needed to perform the measurements was of 16 h for both manual measurements, and of 3 min for the automatic method. Results demonstrate the high reliability and, most importantly, high repeatability of the proposed approach, and considerable speed-up on the planning.

Item Type:

Journal Article (Original Article)


04 Faculty of Medicine > Pre-clinic Human Medicine > Institute for Surgical Technology & Biomechanics ISTB [discontinued]

UniBE Contributor:

Ritacco, Lucas Eduardo, Seiler, Christof, Nolte, Lutz-Peter, Reyes, Mauricio


500 Science > 570 Life sciences; biology
600 Technology > 610 Medicine & health








Mauricio Antonio Reyes Aguirre

Date Deposited:

04 Oct 2013 14:08

Last Modified:

02 Mar 2023 23:20

Publisher DOI:


PubMed ID:




URI: (FactScience: 199783)

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