Histological analysis about the healing process of intracorporeally devitalized bone segment.

<p>(<b>A–F</b>) Haematoxylin and eosin staining. (<b>A</b>) Necrotic cortex with empty osseous lacunae (arrow) at 2 weeks. (<b>B</b>) Coagulative necrotic tissues (asterisk) and acellular trabeculae (arrow) in bone marrow cavity at 2 weeks. (<b>C</b>) Initial infiltration of fibrovascular tissues (arrow) into the dead bone at 2 months after surgery. (<b>D</b>) Partial substitution of dead trabeculae by new woven bone (arrow) at 3 months. (<b>E</b>) Newly formed trabecuale (asterisk) at 9 months. (<b>F</b>) Remnants of dead trabeculae (asterisk) surrounded by amounts of fibrovascular tissues at 12 months. Scale bars: 100 µm.