Effect of local irradiation on longitudinal bone growth in the rat. A tetracycline labelling investigation

Young rats were given a single local irradiation dose (0.5, 2, 5 or 8 Gy) to the left knee-joint. The right unexposed knee-joint served as control. The animals were decapitated 1.5, 3, 7, 14 or 30 days after the irradiation. Longitudinal bone growth in the tibial epiphysis was established using tetr...

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Veröffentlicht in:Acta radiologica. Oncology, radiation, physics, biology radiation, physics, biology, 1983-01, Vol.22 (2), p.129-134
Hauptverfasser: Engstroem, H, Jansson, JO, Engstroem, C
Format: Artikel
Sprache:eng
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Zusammenfassung:Young rats were given a single local irradiation dose (0.5, 2, 5 or 8 Gy) to the left knee-joint. The right unexposed knee-joint served as control. The animals were decapitated 1.5, 3, 7, 14 or 30 days after the irradiation. Longitudinal bone growth in the tibial epiphysis was established using tetracycline as an intravital marker. During the first 1.5 days after irradiation with 5 and 8 Gy, the growth was slightly inhibited (6-7%). Maximum growth retardation (20%) was found 7 to 14 days after irradiation with 5 and 8 Gy.
ISSN:0348-5196