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Figure 3 | Stem Cell Research & Therapy

Figure 3

From: Stem cell- and growth factor-based regenerative therapies for avascular necrosis of the femoral head

Figure 3

Postoperative radiographs of a 38-year-old patient with avascular necrosis (ARCO stage II) of the right hip. (A) Postoperative x-ray. X-rays of the right hip joint at 6 months (B), 12 months (C), and 24 months (D) after treatment. Over time, the sclerotic and necrotic zones have decreased in size, especially on the lateral side. Despite the extensive defect, the femoral head has neither collapsed nor progressed to an ARCO stage III. After 24 months, the beta-tricalcium phosphate (β-TCP) granula have not undergone complete resorption. Reprinted with permission from Schattauer [54]. ARCO, Association Research Circulation Osseous.

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