PMC4531567_01
The initial MR image.. (A) The coronal magnetic resonance image shows the diffuse enlargement of the pituitary gland with an internal nodule, 1.3 cm in size diameter (length). (B) The sagittal T1-weighted image demonstrating the loss of the neurohypophysis high signal.
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In addition the neurohypophysis high signal on the T1 weighted image was not observed but stalk compression was not detected (Figure 1).
The follow-up MR image performed 1 month after steroid therapy. (A) the complete remission of the pituitary enlargement and internal nodule. (B) the loss of neurohypophysis high signal.
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The loss of neurohypophysis signal was persistent, however (Figure 2).