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Patient 9. Rathke's cleft cyst with intracystic nodule.
A, Nodule (long arrow) in the cyst shows high signal intensity. Cystic fluid (small arrow) shows low signal intensity on axial T1-weighted image (600/25/2).
B, High signal intensity of surrounding fluid (long arrow) and low signal intensity of intracystic nodule (small arrow) are well delineated on axial T2-weighted image (2300/120/2).
