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. 2023 Mar 3;27(1):91–102. doi: 10.1055/s-0043-1761496

Fig. 7.

Fig. 7

Drawings of a vertebral unit on short tau inversion recovery images. White is bone marrow edema on a background of normal gray fat-suppressed bone marrow. ( a ) Axial spondyloarthritis: single-sided bone marrow edema (BME) at the anterior end plate with a normal hydrated disk. ( b ) Schmorl's node centrally located with a zone of BME: normal hydrated disk. ( c ) Modic type 1 degenerative disk disease: dehydrated disk with adjacent BME that can extend over the whole length of both end plates.