Any condition that interferes with the superior oblique's movement through the trochlea may produce this syndrome—from inflammatory conditions (eg, juvenile rheumatoid arthritis, [7] systemic ...

Anomalies of the superior oblique (SO) tendon or the trochlea, inflammatory disorders, infection, and trauma are all possible causes of BS.

In the oblique trochlear view, the sulcus angle was 154.7°, 151.08° and 148°, respectively. The sulcus depth in the axial view was 2.29, 3.97 and 6.25, respectively.