Modular endoprosthetic replacement for proximal tibia tumor patients


  • O. Ye. Vyrva Sytenko Institute of Spine and Joint Pathology National Academy of Medical Sciences of Ukraine, Kharkiv, Ukraine
  • I. O. Skoryk Sytenko Institute of Spine and Joint Pathology National Academy of Medical Sciences of Ukraine, Kharkiv, Ukraine
  • V. D. Tovazhnianska Private Institution of Higher Education “Kharkiv International medical University”, Ukraine, Ukraine



malignant bone tumors, modular endoprosthesis, proximal tibia


The major method of malignant bone tumors treatment is surgery. The most important task of an orthopedic surgeon is to preserve an adjacent joint. Currently, there are a large number of various reconstructive surgeries, including structural bone allograft, allocomposite and modular endoprosthetics replacement.

The aim: to analyze the results of surgical treatment for proximal tibia malignant tumors using modular endoprosthesis.

Materials and methods. The results of proximal tibia (PT) modular endoprosthetic replacement in 48 patients with PT tumor lesions were evaluated. The patients were divided into two groups: I (n = 36) – tumor resection and primary modular endoprosthesis, II (n = 12) – revision modular endoprosthetic replacement due to complications. Complications were divided into oncological, mechanical and non-mechanical. The functional outcomes were measured using the MSTS and TESS scores.

Results. During the treatment, 10 (21.2 %) patients underwent myofascioplastic amputation at the middle third of the thigh: due to periprosthetic infection – 8 people and tumor recurrence – 2.

It was found that the patients got back to regular way of life on average in 2.0–2.5 months. Functional results on the MSTS score were 73 ± 12 %, on the TESS score – 74 ± 16 %, which corresponds to good functional results. Among the patients, who underwent limb salvage surgery, no tumor recurrence was detected during a follow-up period from 6 months up to 11 years.

Conclusions. The choice of surgical treatment depends on the size of tumor, its location, pathohistomorphological picture, age, presence of pathological fractures, vascular and nerve tumor invasion. The use of modern designs of PT modular tumor endoprostheses and perfect surgeries makes it possible to minimize complications.

Author Biographies

O. Ye. Vyrva, Sytenko Institute of Spine and Joint Pathology National Academy of Medical Sciences of Ukraine, Kharkiv

MD, PhD, DSc, Professor, Chief Medical Officer, Head of the Bone Tumor Department

I. O. Skoryk, Sytenko Institute of Spine and Joint Pathology National Academy of Medical Sciences of Ukraine, Kharkiv

MD, PhD student

V. D. Tovazhnianska, Private Institution of Higher Education “Kharkiv International medical University”, Ukraine

V. D., MD, PhD, Assistant of the Department of Professionally Oriented Disciplines


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How to Cite

Vyrva OY, Skoryk IO, Tovazhnianska VD. Modular endoprosthetic replacement for proximal tibia tumor patients. Zaporozhye Medical Journal [Internet]. 2021Apr.16 [cited 2024Jun.18];23(2):242-9. Available from:



Original research