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Abstract #1714

Normal Variations in the vertebral appearrence on opposed-phase MRI: We need to know normal bone marrow appearrence.

Mizukoshi W, Kozawa E, Heshiki A, Hoshino T
saitama medical school

To demonstrate normal vertebral bone marrow in normal individually and analyze the distribution of red and yellow marrow. Twohundred fouty-five subjects were entered the study. All subjects were studied with 1.5 T MRI units. Bone marrow pattern of opposed-phase image was analyzed visually in the spine. Mean and SDs of age were calculated for each bone marrow pattern. The mean values were compared the Tukey-Kramer test using at p less than 0.01. Bone marrow signal patterns were classified into five types. Statistically significant differences (p<0.01) were seen on type 5 and other types by the Tukey-Kramer test (p<0.01).