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Jennifer Naidoo
Dr Leonard Charles Marais


Dr Leonard Charles Marais



(033) 897 3424




Research Interest

Chronic osteomyelitis

Primary bone tumours

Metastatic bone disease

Limb salvage and reconstruction

ResearchGate Profile


Head Clinical Unit: Tumour and Sepsis

Head: Grey’s Hospital, Department of Orthopaedics


MBChB cum laude obtained from the University of the Freestate (1998)

FCS (Ortho) obtained from CMSA (2007)

MMed (Ortho) obtained from University of Pretoria (2007)

Assumed duties at Tumour and Sepsis Unit at Grey’s (2009)

Appointed Head Clinical Unit: Tumour, Sepsis and Reconstruction (2011)

Appointed Head of Department: Grey’s Hospital (2012)

Member of executive committee of South African Limb Lenghtening and Reconstruction Society (2013)

SAOA research grant for research relating to Chronic osteomyelitis (2013)

Chairperson: Pietermaritzburg Sub-committee of management committee of School of Clinical Medicine UKZN (2014)

Regional program contributor: AOTrauma Education -International Infection Workgroup (2014)

Currently enrolled as PhD student (UKZN)

List of Publication

  •  Marais LC. Osteo-articular Tumours and Infections in HIV/AIDS. South African HIV Clinicians Society Nursing Magazine. 2010;1(2):24-27.
  • Marais LC. Rheumatological manifistations of HIV infection. South African HIV Clinicians Society Nursing Magazine. 2010;1(3):18-21.
  •  Ferreira N, Marais LC. Pin tract sepsis: Incidence with the use of circular fixators in a limb reconstruction unit. South African Orthopaedic Journal. 2012;11(1):10-18
  •  Ferreira N, Marais LC. Chronic knee dislocation treated with Taylor Spatial Frame. South African Orthopaedic Journal. 2012;11(2):61-64.
  •  Ferreira N, Marais LC. Osteosarcoma presentation stages to a tumour unit in South Africa.  S Afr Med J 2012;102(8):673-676.
  • Ferreira N, Marais LC. Prevention and management of external fixator pin track sepsis. Strat Traum Limb Recon 2012;7:67-72.
  • Ferreira N, Marais LC. Circular external fixator application for midshaft tibial fractures: Surgical technique. S Afr Ortop J 2012;11(4):39-42.
  • Marais LC, Ferreira N. Osteosarcoma in Adult Patients Living with HIV/AIDS. ISRN Oncology Volume 2013, Article ID 219369, 6 pages.
  • Marais LC, Ferreira N. Management of femoral neck fractures. S Afr J Orthop 2013;12(1):58-62.
  • Marais LC. Expert Opinion: Treatment algorithms for chronic osteomyelitis. S Afr J Orthop 2013;12(2):69-70.
  • Ferreira N, Marais LC. Primary malignant giant cell tumour of the proximal tibia: a case report. Journal of Cancer Research and Therapy 2013, 1(6): 174–177.
  • Ferreira N, Marais LC. Open tibial bone transport following a failed Bi Masquelet procedure. S Afr J Orthop 2013;12(4):50-53.
  • Marais LC, Ferreira N, Aldous C, Le Roux TLB. Pathogenesis of Chronic Osteomyelitis. S Afr J Orthop 2013;12(4):14-18.
  • Marais LC, Ferreira N, Aldous C, Le Roux TLB. Classification of Chronic Osteomyeltis. S Afr J Orthop 2014;13(1):22-28.
  • Marais LC. Expert opinion: Safety and efficacy of denosumab for adults and skeletally adolescents with giant cell tumour of bone: interim analysis of an open-label, parallel-group, phase 2 study. S Afr J Orthop 2014;13(1):74-76.
  • Ferreira N, Marais LC. Bicondylar Tibial Plateau Fractures Treated with Fine Wire Circular External Fixation.  Strat Traum Limb Recon (2014) 9:25–32.
  • Marais LC, Ferreira N, Aldous C, Le Roux TLB. The management of Chronic Osteomyelitis: Part I - Diagnostic work-up and surgical principles. S Afr J Orthop 2014;13(2):42-48.
  • Ferreira N, Marais LC, Aldous C. Challenges and controversies in defining and classifying tibial non-unions. S Afr J Orthop 2014; 13(2): 52-56.
  • Marais LC, Ferreira N, Aldous C, Le Roux TLB. The management of Chronic Osteomyelitis: Part II - Principles of post-infective reconstruction and antibiotic therapy. S Afr J Orthop 2014;13(3):32-39.
  • Pillay Y, Ferreira N, Marais LC, Motala A. Alveolar Soft Part Sarcoma in pregnancy: a case report and review of the literature S Afr J Orthop 2014;13(3):45-49.
  • Ferreira N, Marais LC. The effect of HIV infection on the incidence and severity of circular external fixator pin track sepsis: a retrospective comparative study of 229 patients. Strat Traum Limb Recon. DOI 10.1007/s11751-014-0194-y. Published online: 24 July 2014
  •  Marais LC. Expert opinion: “Warning signs” of primary immunodeficiency among patients with periprosthetic joint infection.  S Afr j Orthop 2014;13(4):52.
  •  Marais LC, Ferreira N, Aldous C, Sartorius B, Le Roux TLB. Refining Host Stratification in Chronic Osteomyelitis. Bone Joint J 2014;96-B (Supp 19):60. (Congress abstract)
  • Marais LC, Ferreira N. Bone transport through an induced membrane in the management of tibial bone defects resulting from chronic osteomyelitis. Bone Joint J 2014; 96-B (Supp 19):46. (Congress abstract)

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