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(a) Coronal postcontrast fat-saturated image demonstrates a heterogeneous sellar mass, which expands the sella (short thick arrow). There is also a slight suprasellar extension. The pituitary stalk is also involved and thickened (thin arrow). (b) Sagittal postcontrast fat-saturated image also demonstrates the heterogeneous sellar mass (thin arrow). (c) Coronal T2 image shows a mild mass effect on the optic chiasm from the thickened pituitary stalk (thin arrow).
