Purpose: To study the degree of surface congruency between the talar dome and humeral head, to determine the size of graft harvestable from the talar dome, and to determine if there are surrogate markers that correspond to a higher degree of surface congruency.
Conclusion: The present study indicates that the talar dome can be a potential source of osteochondral allograft for Hill-Sachs lesions with a maximal defect size of 30 × 10 mm for a single graft.
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Charles M Chan , Matthew R LeVasseur, Amy L Lerner, Michael D Maloney, Ilya Voloshin. "Computer Modeling Analysis of the Talar Dome as a Graft for the Humeral Head". Arthroscopy. 2016 Aug;32(8):1671-5.