306094.fig.004a
(a)
306094.fig.004b
(b)
Figure 4: Typical “snowman” or “dumbbell” shape appearance of a pituitary adenoma causing acromegaly. In this case, even though the tumor was macroscopically removed, the patient was not cured with surgery and had to be medically treated. (a) Preoperative imaging and (b) postoperative result.