Fig 9.

Distribution pattern of greater tuberosity cysts according to greater tuberosity cyst (GTC) mapping system, in which A indicates anterior; P, posterior, L, lateral; 1, superficial level (i.e., level 1, at the footprint) on axial view; and 2, deep level (i.e., level 2, corresponding to 10 mm below level 1) on axial view. An uppercase letter indicates a prevalent width of the cyst in the section whereas a lowercase letter indicates a minor width or absence of the cyst in the section on the axial images.