アルゴンレーザーによる骨表面焼却後の生体修復反応の組織学的検討

DOI

書誌事項

タイトル別名
  • Histological Study of Repair-process of Carbonized Bone Tissue by Argon-laser
公開日
1987
DOI
  • 10.2530/jslsm1980.7.3_71
公開者
Japan Society for Laser Surgery and Medicine

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説明

Argon laser (5w) was irradiated on the femoral bone of Wister rats. These rats were sacrificed on 1, 2, 3, 7, 14, 21 and 28 days from the beginning. Repair process of carbonized bone tissue was studied from the view points of histological observations.<BR>Carbonization zone, Degeneration zone and Normal zone could be differentiated by H.E staining. On 1st day,no hematoma (fibrinclot) could be seen at the irradiated site. Fragmentation and absorption of carbonization and degeneration zone began on 7th day following invasion of fibroblasts. After 3 weeks, separation of carbonization and degeneration zone could be observed, but cartilago didn't appear yet. Appearance of cartilago and new bone trabecula was found at 4th week.<BR>From this study, the repair process of carbonized bone delayed comparing to usual fracture healing. It is considered that defect of primary hematoma at the irradiated site and carbonization are concerned with delayed bone repair.

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