The paper reports a case of a 36-year-old professional soldier who suffered a pilon fracture of the right tibia. Initially, a wrong surgical technique was applied, which resulted in another surgery. The radiographic outcome of the second surgery was good. It is now 10 months after the accident and 7 months after the second surgery. The clinical condition is gradually improving. The patient walks without crutches, with a slight limp. He requires further rehabilitation. It is currently difficult to assess whether he will return to work as a professional soldier.

The authors present their own experience with the use of dual-articulation prostheses in a group of patients with femoral neck fractures. The aim of the study was to assess the possible reduction of the risk of dislocation after hip arthroplasty in a group of patients particularly prone to dislocation, that is patients with traumatic femoral neck fracture [1]. The material included 16 prostheses implanted in 2016-2017. The follow-up period ranged from 18 to 42 months. There were no dislocations in the observed group. In the opinion of the authors, arthroplasty using dual articulation is a well-advised alternative method for total "traditional" arthroplasty and hemiarthroplasty in the treatment of displaced femoral neck fractures.

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Objective. The aim of the article is to describe the treatment of unstable distal radius fractures, consisting in the primary reposition of the fracture and stabilization with a self-designed external fixator modelled on the elements of the Ilizarov apparatus. The external device allows radical, efficient, cost-effective and patient-friendly stable fixation of a fracture. Materials and methods. 148 patients treated in 2014 for unstable distal radius fracture were selected for evaluation. 131 patients were deemed eligible for the treatment with external fixator, the remaining 17 patients were treated with plating. Results. The treatment method involving a self-designed external fixator allows proper fixation of unstable distal radius fractures.

Proximal humerus fractures constitute 4-5% of all fractures occurring in adults. The aim of the study was to evaluate treatment outcomes for displaced proximal humerus fractures in patients eligible for surgical treatment who were hospitalized in the Orthopedics and Trauma Department of the Ministry of the Interior Hospital in Siedlce between 2016 and 2018. During this period, 153 patients with proximal humerus fractures were treated: 54 men (average age was 54 years) and 99 women (average age was 72 years). Surgical treatment was used in 112 patients. Follow-ups were carried out for 105 operated shoulders: 81 patients treated with intramedullary nailing -group IIa, 13 patients treated with fixed-angle plate fixation -group IIb, 10 patients treated with hemiarthroplasty -group III and 14 patients treated conservatively -group I. The authors evaluated the results based on the functional assessment of the shoulder according to the modified Constant-Murley Score and the occurrence of complications in individual groups. The best outcomes were in the group of patients treated with intramedullary nailing (group IIa) -49.4% good and very good outcomes, mean CM score of 67 was achieved. In group IIb, the average functional score was 56 points, in group III -49 points. The worst functional outcomes were recorded in the non-surgical patients (group I), mean CM score of 39 points. As a result of complications, reoperation was necessary in 7 patients treated with internal fixation. Patients treated with hemiarthroplasty did not require revision surgery. The authors state that surgical treatment of displaced proximal humerus fractures gives better outcomes in the early followup period than the conservative treatment; in elderly patients who sustained comminuted fractures of the proximal humerus for which stable internal fixation cannot be performed, shoulder arthroplasty is recommended. According to the authors, none of the surgical methods of treating displaced proximal humerus fractures guarantees regaining full shoulder function.