Abstract
The sacral foramina, particularly the first three, are not simple fenestrations. Each foramen is a Y-shaped complex of canals, all with indefinite margins. The complexes lie obliquely at approximately 45° to the coronal plane. An appreciation of these facts facilitates the recognition of the anatomy of plain films, tomographs, and computerized scans.
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Jackson, H., Burke, J.T. The sacral foramina. Skeletal Radiol 11, 282–288 (1984). https://doi.org/10.1007/BF00351354
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DOI: https://doi.org/10.1007/BF00351354