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Fig. 1

Anteroposterior radiograph of the right knee joint. Mixed lytic and sclerotic tumor in the distal metaphysis of the femur with radiographic characteristics of malignancy, i.e., detachment of the periosteum in the form of a Codman triangle (continuous arrow), a poorly defined area of osteolysis in the bone (dashed arrows), and the shadow of a periosteal tumor at the lateral side (arrowheads), with visible bone formation (asterisk) – initial examination
Anteroposterior radiograph of the right knee joint. Mixed lytic and sclerotic tumor in the distal metaphysis of the femur with radiographic characteristics of malignancy, i.e., detachment of the periosteum in the form of a Codman triangle (continuous arrow), a poorly defined area of osteolysis in the bone (dashed arrows), and the shadow of a periosteal tumor at the lateral side (arrowheads), with visible bone formation (asterisk) – initial examination

Fig. 2

Anteroposterior radiograph of the right knee joint after tumor resection and implantation of a femoral endoprosthesis with a knee joint – postoperative imaging
Anteroposterior radiograph of the right knee joint after tumor resection and implantation of a femoral endoprosthesis with a knee joint – postoperative imaging

Fig. 3

Ultrasound performed 3.5 years after the completion of oncological treatment. Hypoechoic lesion located at the border of the femoral stump and endoprosthesis (A), nonvascularized in the color Doppler US (B)
Ultrasound performed 3.5 years after the completion of oncological treatment. Hypoechoic lesion located at the border of the femoral stump and endoprosthesis (A), nonvascularized in the color Doppler US (B)

Fig. 4

Ultrasound performed 4 years after the completion of treatment (6 months after the previous examination). Progression of the lesion size and destruction of the cortical bone (dashed arrows) not visible 6 months earlier (A); vascularization of the lesion in the color Doppler US (B)
Ultrasound performed 4 years after the completion of treatment (6 months after the previous examination). Progression of the lesion size and destruction of the cortical bone (dashed arrows) not visible 6 months earlier (A); vascularization of the lesion in the color Doppler US (B)

Fig. 5

Anteroposterior radiograph of the right femoral stump performed 4 years after the completion of treatment. The area of osteolysis (dashed arrow) at the medial side of the femoral stump
Anteroposterior radiograph of the right femoral stump performed 4 years after the completion of treatment. The area of osteolysis (dashed arrow) at the medial side of the femoral stump

Fig. 6

Histopathological specimens, hematoxylin and eosin staining. Collagenized connective tissue with numerous histiocytes laden with finely granular metal particles (A); highly vascularized connective tissue with hemorrhages and clusters of mononuclear and multinuclear histiocytes laden with fine jet black metal particles (B)
Histopathological specimens, hematoxylin and eosin staining. Collagenized connective tissue with numerous histiocytes laden with finely granular metal particles (A); highly vascularized connective tissue with hemorrhages and clusters of mononuclear and multinuclear histiocytes laden with fine jet black metal particles (B)
eISSN:
2451-070X
Idioma:
Inglés
Calendario de la edición:
4 veces al año
Temas de la revista:
Medicine, Basic Medical Science, other