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- W2137846920 abstract "Purpose Large chondral defects of the distal radius after fractures present a reconstructive challenge. The purpose of this study was to present the anatomic findings from a cadaver of a vascularized osteochondral autograft taken from the third metatarsal appropriate for reconstructing the distal radius articular facet. A patient is presented in whom 70% of the scaphoid fossa was reconstructed with this technique. Methods The base of the third metatarsal was studied in the feet of 20 cadavers. The size and shape of the cartilage were measured. Additionally vessel distribution was recorded and the diameters of vascular foramina were measured with Juch’s method. Results The base of the third metatarsal is pear shaped and is wider dorsally than plantarly. It averages 19.2 mm long on its main axis. Its cartilaginous surface is minimally concave or flat and it is slanted slightly proximal-dorsal to distal-plantar and proximal-peroneal to distal-tibial. Nutrient foramina were found in every case in the dorsum and on both sides of the proximal shaft. At least 1 nutrient vessel could be tracked back to the dorsalis pedis in every dissected specimen. Conclusions The anatomic features of the base of the third metatarsal make it a potential vascularized autograft to consider for osteochondral defects of the distal radius. Large chondral defects of the distal radius after fractures present a reconstructive challenge. The purpose of this study was to present the anatomic findings from a cadaver of a vascularized osteochondral autograft taken from the third metatarsal appropriate for reconstructing the distal radius articular facet. A patient is presented in whom 70% of the scaphoid fossa was reconstructed with this technique. The base of the third metatarsal was studied in the feet of 20 cadavers. The size and shape of the cartilage were measured. Additionally vessel distribution was recorded and the diameters of vascular foramina were measured with Juch’s method. The base of the third metatarsal is pear shaped and is wider dorsally than plantarly. It averages 19.2 mm long on its main axis. Its cartilaginous surface is minimally concave or flat and it is slanted slightly proximal-dorsal to distal-plantar and proximal-peroneal to distal-tibial. Nutrient foramina were found in every case in the dorsum and on both sides of the proximal shaft. At least 1 nutrient vessel could be tracked back to the dorsalis pedis in every dissected specimen. The anatomic features of the base of the third metatarsal make it a potential vascularized autograft to consider for osteochondral defects of the distal radius." @default.
- W2137846920 created "2016-06-24" @default.
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- W2137846920 date "2005-11-01" @default.
- W2137846920 modified "2023-09-26" @default.
- W2137846920 title "Reconstruction of the Distal Radius Facet by a Free Vascularized Osteochondral Autograft: Anatomic Study and Report of a Patient" @default.
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- W2137846920 doi "https://doi.org/10.1016/j.jhsa.2005.07.005" @default.
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