. .. Introduction,

L. Des and . .. Inferieurs, 25 2.1. Définition et mesure de la longueur des membres inférieurs

. .. , 28 2.2.1. La fausse inégalité de longueur, L'inégalité de longueur des membres inférieurs et ses conséquences cliniques

. .. Offset-femoral,

. , La variation d'offset et ses conséquences cliniques

T. .. Des-implants,

M. .. De-planification,

A. .. Planification, Navigation : la Chirurgie Assistée par Ordinateur (CAO)

. Ii and . .. Deuxieme-partie,

. , Avantages et inconvénients des méthodes de

C. .. ,

J. Edeen, P. F. Sharkey, and A. H. Alexander, Clinical significance of leg-length inequality after total hip arthroplasty, Am J Orthop Belle Mead NJ, vol.24, issue.4, pp.347-51, 1995.

C. R. Clark, H. D. Huddleston, E. P. Schoch, and B. J. Thomas, Leg-length discrepancy after total hip arthroplasty, J Am Acad Orthop Surg, vol.14, issue.1, pp.38-45, 2006.

M. S. Austin, W. J. Hozack, P. F. Sharkey, and R. H. Rothman, Stability and leg length equality in total hip arthroplasty, J Arthroplasty, vol.18, issue.3, pp.88-90, 2003.

T. O. White and T. W. Dougall, Arthroplasty of the hip. Leg length is not important, J Bone Joint Surg Br, vol.84, issue.3, pp.335-343, 2002.

A. B. Mcwilliams, A. J. Grainger, O. Connor, P. J. Redmond, A. C. Stewart et al., A review of symptomatic leg length inequality following total hip arthroplasty, Hip Int J Clin Exp Res Hip Pathol Ther, vol.23, issue.1, pp.6-14, 2013.

O. 'brien, S. Kernohan, G. Fitzpatrick, C. Hill, J. Beverland et al., Perception of imposed leg length inequality in normal subjects, Hip Int J Clin Exp Res Hip Pathol Ther, 2010.

A. Konyves and G. C. Bannister, The importance of leg length discrepancy after total hip arthroplasty, J Bone Joint Surg Br, vol.87, issue.2, pp.155-162, 2005.

C. Röder, R. Vogel, L. Burri, D. Dietrich, and L. P. Staub, Total hip arthroplasty: leg length inequality impairs functional outcomes and patient satisfaction, BMC Musculoskelet Disord, vol.13, p.95, 2012.

W. J. Maloney and J. A. Keeney, Leg length discrepancy after total hip arthroplasty, J Arthroplasty, vol.19, issue.4, pp.108-118, 2004.

C. Plaass, M. Clauss, P. E. Ochsner, and T. Ilchmann, Influence of leg length discrepancy on clinical results after total hip arthroplasty-a prospective clinical trial, Hip Int J Clin Exp Res Hip Pathol Ther, vol.21, issue.4, pp.441-450, 2011.

J. A. Williamson and F. W. Reckling, Limb length discrepancy and related problems following total hip joint replacement, Clin Orthop, issue.134, pp.135-143, 1978.

T. Visuri, T. S. Lindholm, I. Antti-poika, and M. Koskenvuo, The role of overlength of the leg in aseptic loosening after total hip arthroplasty, Ital J Orthop Traumatol, vol.19, issue.1, pp.107-118, 1993.

J. Parvizi, P. F. Sharkey, G. A. Bissett, R. H. Rothman, and W. J. Hozack, Surgical treatment of limblength discrepancy following total hip arthroplasty, J Bone Joint Surg Am, vol.85, issue.12, pp.2310-2317, 2003.

A. Malik, A. Maheshwari, and L. D. Dorr, Impingement with total hip replacement, J Bone Joint Surg Am, vol.89, issue.8, pp.1832-1874, 2007.

B. Buecking, C. K. Boese, V. A. Bergmeister, M. Frink, S. Ruchholtz et al., Functional implications of femoral offset following hemiarthroplasty for displaced femoral neck fracture, Int Orthop, vol.40, issue.7, pp.1515-1536, 2016.

I. Asayama, S. Chamnongkich, K. J. Simpson, T. L. Kinsey, and O. M. Mahoney, Reconstructed hip joint position and abductor muscle strength after total hip arthroplasty, J Arthroplasty, 2005.

B. J. Mcgrory, B. F. Morrey, T. D. Cahalan, K. N. An, and M. E. Cabanela, Effect of femoral offset on range of motion and abductor muscle strength after total hip arthroplasty, J Bone Joint Surg Br, vol.77, issue.6, pp.865-874, 1995.

T. Sakai, N. Sugano, K. Ohzono, T. Nishii, K. Haraguchi et al., Femoral anteversion, femoral offset, and abductor lever arm after total hip arthroplasty using a modular femoral neck system, J Orthop Sci Off J Jpn Orthop Assoc, vol.7, issue.1, pp.62-69, 2002.

M. Robinson, L. Bornstein, B. Mennear, M. Bostrom, B. Nestor et al., Effect of restoration of combined offset on stability of large head THA, Hip Int J Clin Exp Res Hip Pathol Ther, vol.22, issue.3, pp.248-53, 2012.

G. Lecerf, M. H. Fessy, R. Philippot, P. Massin, G. F. Flecher et al., Femoral offset: anatomical concept, definition, assessment, implications for preoperative templating and hip arthroplasty, Orthop Traumatol Surg Res OTSR, vol.95, issue.3, pp.210-219, 2009.

S. Hayashi, T. Nishiyama, T. Fujishiro, S. Hashimoto, N. Kanzaki et al., Excessive femoral offset does not affect the range of motion after total hip arthroplasty, Int Orthop, vol.37, issue.7, pp.1233-1240, 2013.

T. J. Dietrich, C. Pfirrmann, A. Schwab, K. Pankalla, and F. M. Buck, Comparison of radiation dose, workflow, patient comfort and financial break-even of standard digital radiography and a novel biplanar low-dose X-ray system for upright full-length lower limb and whole spine radiography, Skeletal Radiol, vol.42, issue.7, pp.959-67, 2013.

E. Melhem, A. Assi, R. El-rachkidi, and I. Ghanem, EOS(®) biplanar X-ray imaging: concept, developments, benefits, and limitations, J Child Orthop, vol.10, issue.1, pp.1-14, 2016.

J. Dubousset, G. Charpak, I. Dorion, W. Skalli, F. Lavaste et al., A new 2D and 3D imaging approach to musculoskeletal physiology and pathology with low-dose radiation

, Bull Académie Natl Médecine, vol.189, issue.2, pp.287-97, 2005.

G. Kalifa, Y. Charpak, C. Maccia, E. Fery-lemonnier, J. Bloch et al., Evaluation of a new low-dose digital x-ray device: first dosimetric and clinical results in children, Pediatr Radiol, vol.28, issue.7, pp.557-61, 1998.

C. Delin, S. Silvera, C. Bassinet, P. Thelen, J. Rehel et al., Ionizing radiation doses during lower limb torsion and anteversion measurements by EOS stereoradiography and computed tomography, Eur J Radiol, vol.83, issue.2, pp.371-378, 2014.

B. Guenoun, E. Hajj, F. Biau, D. Anract, P. Courpied et al., Reliability of a new method for evaluating femoral stem positioning after total hip arthroplasty based on stereoradiographic 3D reconstruction, J Arthroplasty, vol.30, issue.1, pp.141-145, 2015.

B. G. Escott, B. Ravi, A. C. Weathermon, J. Acharya, C. L. Gordon et al., EOS lowdose radiography: a reliable and accurate upright assessment of lower-limb lengths, J Bone Joint Surg Am, vol.95, issue.23, pp.1831-1838, 2013.

G. Meermans, A. Malik, J. Witt, and F. Haddad, Preoperative radiographic assessment of limblength discrepancy in total hip arthroplasty, Clin Orthop, vol.469, issue.6, pp.1677-82, 2011.

S. T. Woolson, J. M. Hartford, and A. Sawyer, Results of a method of leg-length equalization for patients undergoing primary total hip replacement, J Arthroplasty, vol.14, issue.2, pp.159-64, 1999.

P. Lechler, M. Frink, A. Gulati, D. Murray, T. Renkawitz et al., The influence of hip rotation on femoral offset in plain radiographs, Acta Orthop, vol.85, issue.4, pp.389-95, 2014.

G. Pasquier, G. Ducharne, E. S. Ali, G. F. Mouttet, A. et al., Total hip arthroplasty offset measurement: is C T scan the most accurate option?, Orthop Traumatol Surg Res OTSR, vol.96, issue.4, pp.367-75, 2010.

O. Barbier, W. Skalli, L. Mainard, and D. Mainard, Computer Assisted Orthopedic SurgeryFrance (CAOS-France). The reliability of the anterior pelvic plane for computer navigated acetabular component placement during total hip arthroplasty: prospective study with the EOS imaging system, Orthop Traumatol Surg Res OTSR, vol.100, issue.6, pp.287-91, 2014.

G. E. Lewinnek, J. L. Lewis, R. Tarr, C. L. Compere, and J. R. Zimmerman, Dislocations after total hip-replacement arthroplasties, J Bone Joint Surg Am, vol.60, issue.2, pp.217-237, 1978.

J. M. Elkins, J. J. Callaghan, and T. D. Brown, The 2014 Frank Stinchfield Award: The "landing zone" for wear and stability in total hip arthroplasty is smaller than we thought: a computational analysis, Clin Orthop, vol.473, issue.2, pp.441-52, 2015.

M. P. Abdel, P. Roth, M. T. Jennings, A. D. Hanssen, and M. W. Pagnano, What Safe Zone? The Vast Majority of Dislocated THAs Are Within the Lewinnek Safe Zone for Acetabular Component Position, Clin Orthop, vol.474, issue.2, pp.386-91, 2016.

D. Mainard, Navigated and nonnavigated total hip arthroplasty: results of two consecutive series using a cementless straight hip stem, Orthopedics, vol.31, issue.10, 2008.

L. Cristofolini, P. Erani, E. Bialoblocka-juszczyk, H. Ohashi, S. Iida et al., Effect of undersizing on the long-term stability of the Exeter hip stem: A comparative in vitro study, Clin Biomech Bristol Avon, vol.25, issue.9, pp.899-908, 2010.

M. R. Streit, M. M. Innmann, C. Merle, T. Bruckner, P. R. Aldinger et al., Long-term (20-to 25-year) results of an uncemented tapered titanium femoral component and factors affecting survivorship, Clin Orthop, vol.471, issue.10, pp.3262-3271, 2013.

Y. S. Kim, J. J. Callaghan, P. B. Ahn, and T. D. Brown, Fracture of the acetabulum during insertion of an oversized hemispherical component, J Bone Joint Surg Am, vol.77, issue.1, pp.111-118, 1995.

S. Bricteux, L. Beguin, and M. H. Fessy,

, Rev Chir Orthopédique Réparatrice Appar Mot, vol.87, issue.8, pp.820-825, 2001.

G. A. Odri, G. B. Padiolleau, and F. T. Gouin, Oversized cups as a major risk factor of postoperative pain after total hip arthroplasty, J Arthroplasty, vol.29, issue.4, pp.753-759, 2014.

E. Sariali, A. Mouttet, G. Pasquier, D. E. Catone, and Y. , Accuracy of reconstruction of the hip using computerised three-dimensional pre-operative planning and a cementless modular neck, J Bone Joint Surg Br, vol.91, issue.3, pp.333-373, 2009.

L. W. Carter, D. O. Stovall, and T. R. Young, Determination of accuracy of preoperative templating of noncemented femoral prostheses, J Arthroplasty, vol.10, issue.4, pp.507-520, 1995.

G. Della-valle, A. Comba, F. Taveras, N. Salvati, and E. A. , The utility and precision of analogue and digital preoperative planning for total hip arthroplasty, Int Orthop, 2008.

L. Linclau, G. Dokter, and P. Peene, Radiological aspects in preoperative planning and postoperative assessment of cementless total hip arthroplasty, Acta Orthop Belg, vol.59, issue.2, pp.163-170, 1993.

K. S. Conn, M. T. Clarke, and J. P. Hallett, A simple guide to determine the magnification of radiographs and to improve the accuracy of preoperative templating, J Bone Joint Surg Br, vol.84, issue.2, pp.269-72, 2002.

S. Eggli, M. Pisan, and M. E. Müller, The value of preoperative planning for total hip arthroplasty, J Bone Joint Surg Br, vol.80, issue.3, pp.382-90, 1998.

E. Sariali, R. Mauprivez, F. Khiami, H. Pascal-mousselard, and Y. Catonné, Accuracy of the preoperative planning for cementless total hip arthroplasty. A randomised comparison between three-dimensional computerised planning and conventional templating, Orthop Traumatol Surg Res OTSR, vol.98, issue.2, pp.151-159, 2012.

M. Cross, E. Smith, D. Hoy, S. Nolte, I. Ackerman et al., The global burden of hip and knee osteoarthritis: estimates from the global burden of disease 2010 study, Ann Rheum Dis, vol.73, issue.7, pp.1323-1353, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01809208

L. Shan, B. Shan, D. Graham, and A. Saxena, Total hip replacement: a systematic review and meta-analysis on mid-term quality of life, Osteoarthr Cartil OARS Osteoarthr Res Soc, vol.22, issue.3, pp.389-406, 2014.

J. C. Keurentjes, B. G. Pijls, F. R. Van-tol, J. F. Mentink, S. D. Mes et al., Which implant should we use for primary total hip replacement? A systematic review and meta-analysis

, J Bone Joint Surg Am, vol.96, issue.1, pp.79-97, 2014.

T. J. Dietrich, C. Pfirrmann, A. Schwab, K. Pankalla, and F. M. Buck, Comparison of radiation dose, workflow, patient comfort and financial break-even of standard digital radiography and a novel biplanar low-dose X-ray system for upright full-length lower limb and whole spine radiography, Skeletal Radiol, vol.42, issue.7, pp.959-67, 2013.

E. Melhem, A. Assi, R. El-rachkidi, and I. Ghanem, EOS(®) biplanar X-ray imaging: concept, developments, benefits, and limitations, J Child Orthop, vol.10, issue.1, pp.1-14, 2016.

J. Dubousset, G. Charpak, I. Dorion, W. Skalli, F. Lavaste et al., A new 2D and 3D imaging approach to musculoskeletal physiology and pathology with low-dose radiation

, Bull Académie Natl Médecine, vol.189, issue.2, pp.287-97, 2005.

G. Kalifa, Y. Charpak, C. Maccia, E. Fery-lemonnier, J. Bloch et al., Evaluation of a new low-dose digital x-ray device: first dosimetric and clinical results in children, Pediatr Radiol, vol.28, issue.7, pp.557-61, 1998.

J. Dubousset, G. Charpak, W. Skalli, G. Kalifa, and J. Lazennec, EOS stereo-radiography system: whole-body simultaneous anteroposterior and lateral radiographs with very low radiation

, Rev Chir Orthopédique Réparatrice Appar Mot, vol.93, pp.141-144, 2007.

C. Delin, S. Silvera, C. Bassinet, P. Thelen, J. Rehel et al., Ionizing radiation doses during lower limb torsion and anteversion measurements by EOS stereoradiography and computed tomography, Eur J Radiol, vol.83, issue.2, pp.371-378, 2014.

M. R. Whitehouse, N. S. Stefanovich-lawbuary, L. R. Brunton, and A. W. Blom, The impact of leg length discrepancy on patient satisfaction and functional outcome following total hip arthroplasty, J Arthroplasty, vol.28, issue.8, pp.1408-1422, 2013.

V. Wylde, S. L. Whitehouse, A. H. Taylor, G. T. Pattison, G. C. Bannister et al., Prevalence and functional impact of patient-perceived leg length discrepancy after hip replacement, Int Orthop, vol.33, issue.4, pp.905-914, 2009.

C. R. Clark, H. D. Huddleston, E. P. Schoch, and B. J. Thomas, Leg-length discrepancy after total hip arthroplasty, J Am Acad Orthop Surg, vol.14, issue.1, pp.38-45, 2006.

M. S. Austin, W. J. Hozack, P. F. Sharkey, and R. H. Rothman, Stability and leg length equality in total hip arthroplasty, J Arthroplasty, vol.18, issue.3, pp.88-90, 2003.

J. Edeen, P. F. Sharkey, and A. H. Alexander, Clinical significance of leg-length inequality after total hip arthroplasty, Am J Orthop Belle Mead NJ, vol.24, issue.4, pp.347-51, 1995.

T. O. White and T. W. Dougall, Arthroplasty of the hip. Leg length is not important, J Bone Joint Surg Br, vol.84, issue.3, pp.335-343, 2002.

A. B. Mcwilliams, A. J. Grainger, O. Connor, P. J. Redmond, A. C. Stewart et al., A review of symptomatic leg length inequality following total hip arthroplasty, Hip Int J Clin Exp Res Hip Pathol Ther, vol.23, issue.1, pp.6-14, 2013.

A. Konyves and G. C. Bannister, The importance of leg length discrepancy after total hip arthroplasty, J Bone Joint Surg Br, vol.87, issue.2, pp.155-162, 2005.

O. 'brien, S. Kernohan, G. Fitzpatrick, C. Hill, J. Beverland et al., Perception of imposed leg length inequality in normal subjects, Hip Int J Clin Exp Res Hip Pathol Ther, 2010.

C. Röder, R. Vogel, L. Burri, D. Dietrich, and L. P. Staub, Total hip arthroplasty: leg length inequality impairs functional outcomes and patient satisfaction, BMC Musculoskelet Disord, vol.13, p.95, 2012.

W. J. Maloney and J. A. Keeney, Leg length discrepancy after total hip arthroplasty, J Arthroplasty, vol.19, issue.4, pp.108-118, 2004.

C. Plaass, M. Clauss, P. E. Ochsner, and T. Ilchmann, Influence of leg length discrepancy on clinical results after total hip arthroplasty-a prospective clinical trial, Hip Int J Clin Exp Res Hip Pathol Ther, vol.21, issue.4, pp.441-450, 2011.
DOI : 10.5301/hip.2011.8575

J. A. Williamson and F. W. Reckling, Limb length discrepancy and related problems following total hip joint replacement, Clin Orthop, issue.134, pp.135-143, 1978.

Y. Hasegawa, T. Iwase, T. Kanoh, T. Seki, and A. Matsuoka, Total hip arthroplasty for Crowe type ? developmental dysplasia, J Arthroplasty, vol.27, issue.9, pp.1629-1664, 2012.
DOI : 10.1016/j.arth.2012.02.026

H. K. Dunn and W. E. Hess, Total hip reconstruction in chronically dislocated hips, J Bone Joint Surg Am, vol.58, issue.6, pp.838-883, 1976.
DOI : 10.2106/00004623-197658060-00015

G. Hartofilakidis, K. Stamos, and T. T. Ioannidis, Low friction arthroplasty for old untreated congenital dislocation of the hip, J Bone Joint Surg Br, vol.70, issue.2, pp.182-188, 1988.
DOI : 10.1302/0301-620x.70b2.3346284

URL : https://online.boneandjoint.org.uk/doi/pdf/10.1302/0301-620X.70B2.3346284

A. J. Krych, J. L. Howard, R. T. Trousdale, M. E. Cabanela, and D. J. Berry, Total hip arthroplasty with shortening subtrochanteric osteotomy in Crowe type-IV developmental dysplasia, J Bone Joint Surg Am, vol.91, issue.9, pp.2213-2234, 2009.
DOI : 10.2106/jbjs.j.00061

J. Parvizi, P. F. Sharkey, G. A. Bissett, R. H. Rothman, and W. J. Hozack, Surgical treatment of limblength discrepancy following total hip arthroplasty, J Bone Joint Surg Am, vol.85, issue.12, pp.2310-2317, 2003.

J. Y. Lazennec, A. Brusson, M. A. Rousseau, C. B. Robbins, and A. E. Pour, Do Patients' Perceptions of Leg Length Correlate With Standing 2-and 3-Dimensional Radiographic Imaging?, J Arthroplasty, 2016.
DOI : 10.1016/j.arth.2016.03.065

A. Malik, A. Maheshwari, and L. D. Dorr, Impingement with total hip replacement, J Bone Joint Surg Am, vol.89, issue.8, pp.1832-1874, 2007.
DOI : 10.2106/jbjs.f.01313

B. Buecking, C. K. Boese, V. A. Bergmeister, M. Frink, S. Ruchholtz et al., Functional implications of femoral offset following hemiarthroplasty for displaced femoral neck fracture, Int Orthop, vol.40, issue.7, pp.1515-1536, 2016.

I. Asayama, S. Chamnongkich, K. J. Simpson, T. L. Kinsey, and O. M. Mahoney, Reconstructed hip joint position and abductor muscle strength after total hip arthroplasty, J Arthroplasty, 2005.
DOI : 10.1016/j.arth.2004.01.016

B. J. Mcgrory, B. F. Morrey, T. D. Cahalan, K. N. An, and M. E. Cabanela, Effect of femoral offset on range of motion and abductor muscle strength after total hip arthroplasty, J Bone Joint Surg Br, vol.77, issue.6, pp.865-874, 1995.

T. Sakai, N. Sugano, K. Ohzono, T. Nishii, K. Haraguchi et al., Femoral anteversion, femoral offset, and abductor lever arm after total hip arthroplasty using a modular femoral neck system, J Orthop Sci Off J Jpn Orthop Assoc, vol.7, issue.1, pp.62-69, 2002.
DOI : 10.1007/s776-002-8418-7

M. Robinson, L. Bornstein, B. Mennear, M. Bostrom, B. Nestor et al., Effect of restoration of combined offset on stability of large head THA, Hip Int J Clin Exp Res Hip Pathol Ther, vol.22, issue.3, pp.248-53, 2012.

G. Lecerf, M. H. Fessy, R. Philippot, P. Massin, G. F. Flecher et al., Femoral offset: anatomical concept, definition, assessment, implications for preoperative templating and hip arthroplasty, Orthop Traumatol Surg Res OTSR, vol.95, issue.3, pp.210-219, 2009.
DOI : 10.1016/j.otsr.2009.03.010

URL : https://doi.org/10.1016/j.otsr.2009.03.010

S. Hayashi, T. Nishiyama, T. Fujishiro, S. Hashimoto, N. Kanzaki et al., Excessive femoral offset does not affect the range of motion after total hip arthroplasty, Int Orthop, vol.37, issue.7, pp.1233-1240, 2013.

D. P. Sakalkale, P. F. Sharkey, K. Eng, W. J. Hozack, and R. H. Rothman, Effect of femoral component offset on polyethylene wear in total hip arthroplasty, Clin Orthop, 2001.

J. R. Davey, O. Connor, D. O. Burke, D. W. Harris, and W. H. , Femoral component offset. Its effect on strain in bone-cement, J Arthroplasty, vol.8, issue.1, pp.23-29, 1993.

P. Wong, N. Otsuka, and J. R. Davey, The effect of femoral component offset in uncemented total hip arthroplasty, 1993.

E. Sariali, S. Klouche, A. Mouttet, and H. Pascal-moussellard, The effect of femoral offset modification on gait after total hip arthroplasty, Acta Orthop, vol.85, issue.2, pp.123-130, 2014.

L. Cristofolini, P. Erani, E. Bialoblocka-juszczyk, H. Ohashi, S. Iida et al., Effect of undersizing on the long-term stability of the Exeter hip stem: A comparative in vitro study, Clin Biomech Bristol Avon, vol.25, issue.9, pp.899-908, 2010.

M. R. Streit, M. M. Innmann, C. Merle, T. Bruckner, P. R. Aldinger et al., Long-term (20-to 25-year) results of an uncemented tapered titanium femoral component and factors affecting survivorship, Clin Orthop, vol.471, issue.10, pp.3262-3271, 2013.

Y. S. Kim, J. J. Callaghan, P. B. Ahn, and T. D. Brown, Fracture of the acetabulum during insertion of an oversized hemispherical component, J Bone Joint Surg Am, vol.77, issue.1, pp.111-118, 1995.

S. Bricteux, L. Beguin, and M. H. Fessy,

, Rev Chir Orthopédique Réparatrice Appar Mot, vol.87, issue.8, pp.820-825, 2001.

G. A. Odri, G. B. Padiolleau, and F. T. Gouin, Oversized cups as a major risk factor of postoperative pain after total hip arthroplasty, J Arthroplasty, vol.29, issue.4, pp.753-759, 2014.

F. Pierchon, H. Migaud, A. Duquennoy, and C. Fontaine,

, Rev Chir Orthopédique Réparatrice Appar Mot, vol.79, issue.4, pp.281-285, 1993.

S. Eggli, M. Pisan, and M. E. Müller, The value of preoperative planning for total hip arthroplasty, J Bone Joint Surg Br, vol.80, issue.3, pp.382-90, 1998.

J. U. Lindgren and J. Rysavy, Restoration of femoral offset during hip replacement. A radiographic cadaver study, Acta Orthop Scand, vol.63, issue.4, pp.407-417, 1992.

J. Puget, O. May, and J. Laffosse, Planification pré-opératoire, Prothèse totale de hanche, les choix, pp.203-216, 2005.

G. Meermans, A. Malik, J. Witt, and F. Haddad, Preoperative radiographic assessment of limblength discrepancy in total hip arthroplasty, Clin Orthop, vol.469, issue.6, pp.1677-82, 2011.

S. T. Woolson, J. M. Hartford, and A. Sawyer, Results of a method of leg-length equalization for patients undergoing primary total hip replacement, J Arthroplasty, vol.14, issue.2, pp.159-64, 1999.

P. Lechler, M. Frink, A. Gulati, D. Murray, T. Renkawitz et al., The influence of hip rotation on femoral offset in plain radiographs, Acta Orthop, vol.85, issue.4, pp.389-95, 2014.

G. Pasquier, G. Ducharne, E. S. Ali, G. F. Mouttet, A. et al., Total hip arthroplasty offset measurement: is C T scan the most accurate option?, Orthop Traumatol Surg Res OTSR, vol.96, issue.4, pp.367-75, 2010.

C. Merle, W. Waldstein, E. Pegg, M. R. Streit, T. Gotterbarm et al., Femoral offset is underestimated on anteroposterior radiographs of the pelvis but accurately assessed on anteroposterior radiographs of the hip, J Bone Joint Surg Br, vol.94, issue.4, pp.477-82, 2012.

E. Sariali, A. Mouttet, G. Pasquier, D. E. Catone, and Y. , Accuracy of reconstruction of the hip using computerised three-dimensional pre-operative planning and a cementless modular neck, J Bone Joint Surg Br, vol.91, issue.3, pp.333-373, 2009.

E. Sariali, R. Mauprivez, F. Khiami, H. Pascal-mousselard, and Y. Catonné, Accuracy of the preoperative planning for cementless total hip arthroplasty. A randomised comparison between three-dimensional computerised planning and conventional templating, Orthop Traumatol Surg Res OTSR, vol.98, issue.2, pp.151-159, 2012.

O. Barbier, D. Ollat, and G. Versier, Interest of an intraoperative limb-length and offset measurement device in total hip arthroplasty, Orthop Traumatol Surg Res OTSR, 2012.

S. S. Sathappan, D. Ginat, V. Patel, M. Walsh, W. L. Jaffe et al., Effect of anesthesia type on limb length discrepancy after total hip arthroplasty, J Arthroplasty, vol.23, issue.2, pp.203-212, 2008.

A. Manzotti, P. Cerveri, D. Momi, E. Pullen, C. Confalonieri et al., Does computer-assisted surgery benefit leg length restoration in total hip replacement? Navigation versus conventional freehand, Int Orthop, vol.35, issue.1, pp.19-24, 2011.

O. Barbier, W. Skalli, L. Mainard, and D. Mainard, Computer Assisted Orthopedic SurgeryFrance (CAOS-France). The reliability of the anterior pelvic plane for computer navigated acetabular component placement during total hip arthroplasty: prospective study with the EOS imaging system, Orthop Traumatol Surg Res OTSR, vol.100, issue.6, pp.287-91, 2014.

G. E. Lewinnek, J. L. Lewis, R. Tarr, C. L. Compere, and J. R. Zimmerman, Dislocations after total hip-replacement arthroplasties, J Bone Joint Surg Am, vol.60, issue.2, pp.217-237, 1978.

J. M. Elkins, J. J. Callaghan, and T. D. Brown, The 2014 Frank Stinchfield Award: The "landing zone" for wear and stability in total hip arthroplasty is smaller than we thought: a computational analysis, Clin Orthop, vol.473, issue.2, pp.441-52, 2015.

A. Huppertz, S. Radmer, P. Asbach, R. Juran, C. Schwenke et al., Computed tomography for preoperative planning in minimal-invasive total hip arthroplasty: radiation exposure and cost analysis, Eur J Radiol, vol.78, issue.3, pp.406-419, 2011.

E. De-thomasson, C. Mazel, O. Guingand, and R. Terracher,

, Rev Chir Orthopédique Réparatrice Appar Mot, vol.88, issue.3, pp.229-264, 2002.

H. Coudane, F. Claudot, C. Delaunay, S. Slimani, M. Blaise et al., Information pré-opératoire du patient, Prothèse totale de hanche, les choix, pp.203-216, 2005.

H. Al-khateeb, I. Kwok, S. A. Hanna, M. D. Sewell, and A. Hashemi-nejad, Custom cementless THA in patients with Legg-Calve-Perthes Disease, J Arthroplasty, 2014.

R. De and L. A. Thèse,