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Dive into the research topics where Federico E. Milano is active.

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Featured researches published by Federico E. Milano.


Orthopedics | 2013

Accuracy of 3-D planning and navigation in bone tumor resection.

Lucas E. Ritacco; Federico E. Milano; German L. Farfalli; Miguel Ayerza; D. Luis Muscolo; Luis A. Aponte-Tinao

Surgical precision in oncologic surgery is essential to achieve adequate margins in bone tumor resections. Three-dimensional preoperative planning and bone tumor resection by navigation have been introduced to orthopedic oncology in recent years. However, the accuracy of preoperative planning and navigation is unclear. The purpose of this study was to evaluate the accuracy of preoperative planning and the navigation system. A total of 28 patients were evaluated between May 2010 and February 2011. Tumor locations were the femur (n=17), pelvis (n=6), sacrum (n=2), tibia (n=2), and humerus (n=1). All resections were planned in a virtual scenario using computed tomography and magnetic resonance imaging fusion. A total of 61 planes or osteotomies were performed to resect the tumors. Postoperatively, computed tomography scans were obtained for all surgical specimens, and the specimens were 3-dimensionally reconstructed from the scans. Differences were determined by finding the distances between the osteotomies virtually programmed and those performed. The global mean of the quantitative comparisons between the osteotomies programmed and those obtained through the resected specimen was 2.52±2.32 mm for all patients. Differences between osteotomies virtually programmed and those achieved by navigation intraoperatively were minimal.


Sarcoma | 2013

Three-Dimensional Virtual Bone Bank System Workflow for Structural Bone Allograft Selection: A Technical Report

Lucas E. Ritacco; German L. Farfalli; Federico E. Milano; Miguel Ayerza; Domingo L Múscolo; Luis A. Aponte-Tinao

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.


international conference of the ieee engineering in medicine and biology society | 2010

Angle estimation of human femora in a three-dimensional virtual environment

Mariano E. Casciaro; Lucas E. Ritacco; Federico E. Milano; Marcelo Risk; Damian Craiem

The estimation of human femur morphology and angulation provide useful information for assisted surgery, follow-up evaluation and prosthesis design, cerebral palsy management, congenital dislocation of the hip and fractures of the femur. Conventional methods that estimate femoral neck anteversion employ planar projections because accurate 3D estimations require complex reconstruction routines. In a recent work, we proposed a cylinder fitting method to estimate bifurcation angles in coronary arteries and we thought to test it in the estimation of femoral neck anteversion, valgus and shaft-neck angles. Femora from 10 patients were scanned using multisliced computed tomography. Virtual cylinders were fitted to 3 regions of the bone painted by the user to automatically estimate the femoral angles. Comparisons were made with a conventional manual method. Inter- and intra-reading measurements were evaluated for each method. We found femoral angles from both methods strongly correlated. Average anteversion, neck-shaft and valgus angles were 17.5°, 139.5°, 99.1°, respectively. The repeatability and reproducibility of the automated method showed a 5-fold reduction in inter- and intra-reading variability. Accordingly, the coefficients of variation for the manual method were below 25% whereas for the automated method were below 6%. The valgus angle assessment was globally the most accurate with differences below 1°. Maximum distances from true surface bone points and fitting cylinders attained 6 mm. The employment of virtual cylinders fitted to different regions of human femora consistently helped to assess true 3D angulations.


Current Reviews in Musculoskeletal Medicine | 2015

Techniques in surgical navigation of extremity tumors: state of the art

Luis A. Aponte-Tinao; Lucas E. Ritacco; Federico E. Milano; Miguel Ayerza; German F. Farfalli

Image-guided surgical navigation allows the orthopedic oncologist to perform adequate tumor resection based on fused images (CT, MRI, PET). Although surgical navigation was first performed in spine and pelvis, recent reports have described the use of this technique in bone tumors located in the extremities. In long bones, this technique has moved from localization or percutaneous resection of benign tumors to complex bone tumor resections and guided reconstructions (allograft or endoprostheses). In recent years, the reported series have increased from small numbers (5 to 16 patients) to larger ones (up to 130 patients). The purpose of this paper is to review recent reports regarding surgical navigation in the extremities, describing the results obtained with different kind of reconstructions when navigation is used and how the previously described problems were solved.


latin american network operations and management symposium | 2009

MedSiGRe: Medical Signal Grid Repository, an integration to Italica project

Federico E. Milano; Juan Francisco Garcia Eijo; Adrián R. Gómez; Fernán Gonzalez Bernaldo de Quirós; Marcelo Risk

The Italica Project is the implementation of an Electronic Health Record system at the Italian Hospital of Buenos Aires. The present work shows the implementation of a Medical Signal Grid Repository module and its integration to the Italica Project. We also describe the architecture of that module and explain the design decisions taken for its construction. The integration to the preexisting system is also presented, together with the difficulties that arose from the insertion of a data grid in an environment not used to this technology. Several issues about the security and reliability of the medical data are treated as well. In this paper we also discuss the use of the grid repository as a starting point for the development of distributed processing applications.


Studies in health technology and informatics | 2013

Bone tumor resection: analysis about 3D preoperative planning and navigation method using a virtual specimen.

Lucas E. Ritacco; Federico E. Milano; German L. Farfalli; Miguel Ayerza; Domingo L Múscolo; Fernán Gonzalez Bernaldo de Quirós; Luis A. Aponte-Tinao


Studies in health technology and informatics | 2015

Accuracy of Chest Wall Tumor Resection Guided by Navigation: Experimental Model.

Lucas E. Ritacco; David E. Smith; Axel V. Mancino; German L. Farfalli; Luis A. Aponte-Tinao; Federico E. Milano


Studies in health technology and informatics | 2015

3D Printed Models and Navigation for Skull Base Surgery: Case Report and Virtual Validation.

Lucas E. Ritacco; Federico Di Lella; Axel V. Mancino; Fernán Gonzalez Bernaldo de Quirós; Carlos Mario Boccio; Federico E. Milano


Studies in health technology and informatics | 2015

Virtual Microscopy Large Slide Automated Acquisition: Error Analysis and Validation.

Axel V. Mancino; Alyson Roger; Domingo L Múscolo; German L. Farfalli; Pablo D. Roitman; Luis A. Aponte-Tinao; Lucas E. Ritacco; Federico E. Milano


MedInfo | 2017

In Vitro Comparative Study Between Conventional and Computer-Assisted Surgery Methods for Planning and Resection of Bone Sarcomas.

Lucas E. Ritacco; Luis A. Aponte-Tinao; Domingo L Múscolo; Miguel Ayerza; I. Albergo; German L. Farfalli; Marcelo Risk; Fernán Gonzalez Bernaldo de Quirós; Federico E. Milano

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Lucas E. Ritacco

Hospital Italiano de Buenos Aires

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Luis A. Aponte-Tinao

Hospital Italiano de Buenos Aires

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German L. Farfalli

Hospital Italiano de Buenos Aires

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Miguel Ayerza

Hospital Italiano de Buenos Aires

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Domingo L Múscolo

Hospital Italiano de Buenos Aires

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Marcelo Risk

National Technological University (United States)

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D. Luis Muscolo

Hospital Italiano de Buenos Aires

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