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Transverse T1 (A) and T2‐weighted (B) MR images from a 4‐year‐old Labrador Retriever. Subchondral bone at the articular processes was classified as smooth with signs of subchondral sclerosis (A—asterisks). Articular joint fluid was considered absent at the right articular process joint and normal at the left articular process joint (B—arrows).
