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Fig. 20. MR arthrogram in 38-year-old man shows transitional zone.
Axial T2-weighted fat-suppressed image (TR/TE, 3,000/60) shows no fluid
between anterosuperior labrum and adjacent glenoid cartilage. Area of
intermediate signal intensity (arrow) represents transitional zone
between fibrocartilage of labrum and hyaline cartilage of glenoid. HH =
humeral head, G = glenoid.