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Longitudinal and transversal US view of the hyperechoic mass.
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At the side of the rupture, a fluid area (hematoma) appeared, while the distal part of the tendon showed a great hyperechoic mass (Figure 1).
The excision of the whole mass.
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For these reasons, the ossified part of the tendon was completely removed (Figures 2 and 3).
"New bone" after complete excision.
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For these reasons, the ossified part of the tendon was completely removed (Figures 2 and 3).
A histological section of the mass: transition from tendinous tissue toward trabecular bone tissue and osteoblasts.
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Histological analysis confirmed the heterotopic ossification, showing real trabecular bone tissue, osteoblasts and osteocytes along the entire tissue (Figure 4).