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FIG 3. Nodular enhancement of early postoperative sella in a 62-year-old woman with nonfunctioning tumor.
A, Preoperative image of the sella (TR/TE/excitations = 550/12/2) shows pituitary tumor with suprasellar extension.
B, Immediate 1-day postoperative image before contrast infusion (400/14/1) shows pituitary mass composed of hemorrhage at the operative site. Intrasellar packing material (fat) was not used in this patient.
C, After contrast infusion, there is nodular enhancing region at the left periphery of the pituitary mass (arrow).
D, After 6 months, a small residual tumor is seen (700/12/2).
E, This residual tumor is slowly growing on 24-month follow-up MR images (433/10/2). This case was diagnosed by growth of the tumor on follow-up MR imaging.
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