Summary
We report the long-term results with ten patients with simple bone cysts with special retrospective reference to the radiographic evidence of healing after hole drilling. Cortical thickening was initially observed within 3 months, and minimal new bone formation around Kirschner wires left in situ was observed within 4 months. New bone formation gradually progressed from the cyst wall and around the wire. Consolidation of a cyst cavity was uniformly observed 6–7 months after drilling. In several patients residual cysts were seen between the wire and cortical shell. In younger patients, a cystic cavity reappeared after extraction of the wire, although complete radiographic healing had been observed. These findings suggest that a Kirschner wire plays an important role in preventing relapse of simple bone cysts after hole drilling.
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Chigira, M., Shimizu, T., Arita, S. et al. Radiological evidence of healing of a simple bone cyst after hole drilling. Arch. Orth. Traum. Surg. 105, 150–153 (1986). https://doi.org/10.1007/BF00433932
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DOI: https://doi.org/10.1007/BF00433932