Histopathologic characteristic of hip joint tissues in mechanical trauma

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Abstract

The effects of dosed-force shock on the femoral head and greater trochanter were studied in 24 rabbits. Histologic specimens were analyzed 3, 7, 14, 30 days and 3, 6, 9 months after trauma. Mechanical damage of articular cartilage of the femoral head and acetabulum was detected. That damage was combined with the necrosis of cartilaginous tissue and microfractures of spongy bone of the femoral head. Repair of the damaged cartilage was of abortive pattern and did not provide filling of the defect with hyaline cartilage.

About the authors

Y. I. Bushuev

Nizhny Novgorod Institute of Traumatology and Orthopedics

Author for correspondence.
Email: info@eco-vector.com
Russian Federation, Nizhny Novgorod

Y. I. Yezhov

Nizhny Novgorod Institute of Traumatology and Orthopedics

Email: info@eco-vector.com
Russian Federation, Nizhny Novgorod

I. Y. Yezhov

Nizhny Novgorod Institute of Traumatology and Orthopedics

Email: info@eco-vector.com
Russian Federation, Nizhny Novgorod

References

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Supplementary files

Supplementary Files
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1. JATS XML
2. Fig. 1. Ulcer-like defect extending to the subchondral plate (3 days after trauma to the femoral head). SW. 35. 2. Deep slit-like cartilage defects with its necrosis (9 months after trauma to the femoral head). SW. 90. 3. Slit-like defects of the cartilage of the acetabulum; uneven free edge with an area of superficial necrosis (7 days after trauma to the femoral head). SW. 90. 4. Replacement of a superficial defect in the cartilage of the head with proliferating connective tissue cells (3 days after injury to the greater trochanter). SW. 90.

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