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Figure 1: Preoperative MRI scan (a,b,c) and histological findings (d) of case 1. Sagittal T1-weighted image (a) and axial T2-weighted image (b) show an intrasellar mass with two different signal intensities, the "slit" like low-signal intensity cysts can also detected (a) Post-contrast image showed marked enhancement of the solid part and the non-enhanced cysts (c) Multiple mucin-filled cysts are interspersed within the adenoma tissue (d, H and E, X200)

Figure 1: Preoperative MRI scan (a,b,c) and histological findings (d) of case 1. Sagittal T1-weighted image (a) and axial T2-weighted image (b) show an intrasellar mass with two different signal intensities, the