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Three-dimensional virtual bone bank system workflow for structural bone allograft selection: a technical report.

Ritacco LE, Farfalli GL, Milano FE, Ayerza MA, Muscolo DL, Aponte-Tinao L - Sarcoma (2013)

Bottom Line: Structural bone allograft has been used in bone defect reconstruction during the last fifty years with acceptable results.Thanks to preoperative planning platforms, three-dimensional (3D) CT-derived bone models were used to define size and shape comparison between host and donor.We measured all bones in a 3D virtual environment determining the best match.

View Article: PubMed Central - PubMed

Affiliation: Virtual Planning and Navigation Unit, Department of Health Informatics, Italian Hospital of Buenos Aires, 1199 Buenos Aires, Argentina ; Institute of Orthopedics "Carlos E. Ottolenghi", Italian Hospital of Buenos Aires, Potosí 4247, 1199 Buenos Aires, Argentina.

ABSTRACT
Structural bone allograft has been used in bone defect reconstruction during the last fifty years with acceptable results. However, allograft selection methods were based on 2-dimensional templates using X-rays. Thanks to preoperative planning platforms, three-dimensional (3D) CT-derived bone models were used to define size and shape comparison between host and donor. The purpose of this study was to describe the workflow of this virtual technique in order to explain how to choose the best allograft using a virtual bone bank system. We measured all bones in a 3D virtual environment determining the best match. The use of a virtual bone bank system has allowed optimizing the allograft selection in a bone bank, providing more information to the surgeons before surgery. In conclusion, 3D preoperative planning in a virtual environment for allograft selection is an important and helpful tool in order to achieve a good match between host and donor.

No MeSH data available.


Related in: MedlinePlus

(a) Bone allograft was selected according to the shapes comparison between host and donor. The original tumor diagnosis was a chondrosarcoma. (b) Allograft was selected and tumor was resected. (c) Allograft was fixed in the patient through a plate and screws. (d) and (e) Postoperative X-rays.
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Related In: Results  -  Collection


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fig4: (a) Bone allograft was selected according to the shapes comparison between host and donor. The original tumor diagnosis was a chondrosarcoma. (b) Allograft was selected and tumor was resected. (c) Allograft was fixed in the patient through a plate and screws. (d) and (e) Postoperative X-rays.

Mentions: Since it is not an easy task to determine natural landmarks in transepiphyseal and diaphyseal allografts, only it is possible to determine a match by overlapping the host with available donors (Figure 4).


Three-dimensional virtual bone bank system workflow for structural bone allograft selection: a technical report.

Ritacco LE, Farfalli GL, Milano FE, Ayerza MA, Muscolo DL, Aponte-Tinao L - Sarcoma (2013)

(a) Bone allograft was selected according to the shapes comparison between host and donor. The original tumor diagnosis was a chondrosarcoma. (b) Allograft was selected and tumor was resected. (c) Allograft was fixed in the patient through a plate and screws. (d) and (e) Postoperative X-rays.
© Copyright Policy - open-access
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC3649776&req=5

fig4: (a) Bone allograft was selected according to the shapes comparison between host and donor. The original tumor diagnosis was a chondrosarcoma. (b) Allograft was selected and tumor was resected. (c) Allograft was fixed in the patient through a plate and screws. (d) and (e) Postoperative X-rays.
Mentions: Since it is not an easy task to determine natural landmarks in transepiphyseal and diaphyseal allografts, only it is possible to determine a match by overlapping the host with available donors (Figure 4).

Bottom Line: Structural bone allograft has been used in bone defect reconstruction during the last fifty years with acceptable results.Thanks to preoperative planning platforms, three-dimensional (3D) CT-derived bone models were used to define size and shape comparison between host and donor.We measured all bones in a 3D virtual environment determining the best match.

View Article: PubMed Central - PubMed

Affiliation: Virtual Planning and Navigation Unit, Department of Health Informatics, Italian Hospital of Buenos Aires, 1199 Buenos Aires, Argentina ; Institute of Orthopedics "Carlos E. Ottolenghi", Italian Hospital of Buenos Aires, Potosí 4247, 1199 Buenos Aires, Argentina.

ABSTRACT
Structural bone allograft has been used in bone defect reconstruction during the last fifty years with acceptable results. However, allograft selection methods were based on 2-dimensional templates using X-rays. Thanks to preoperative planning platforms, three-dimensional (3D) CT-derived bone models were used to define size and shape comparison between host and donor. The purpose of this study was to describe the workflow of this virtual technique in order to explain how to choose the best allograft using a virtual bone bank system. We measured all bones in a 3D virtual environment determining the best match. The use of a virtual bone bank system has allowed optimizing the allograft selection in a bone bank, providing more information to the surgeons before surgery. In conclusion, 3D preoperative planning in a virtual environment for allograft selection is an important and helpful tool in order to achieve a good match between host and donor.

No MeSH data available.


Related in: MedlinePlus