Fig. 3From: Ectopic invasive ACTH-secreting pituitary adenoma mimicking chordoma: a case report and literature reviewPostoperative pituitary MRI. Postoperative pre- (A) and post-contrast (B) sagittal T1-weighted images reveal the residual viable tumor (white arrow), with isointense on T1-weighted images and moderate enhancement, without connection to the normal pituitary tissue (red arrow)Back to article page