PMC4531620_01
Sagittal view (A) and transverse view (B) of the brain MRI show an extensive pituitary mass lesion, involving the sella fossa, cavernous sinus and skull base, which extended to the suprasellar area and sphenoid sinus.
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ACTH concentration was also raised, with a level of 230 pg/ml (normal 0-60). A brain MRI revealed an extensive pituitary mass lesion, involving the sellar fossa, cavernous sinus and skull base, which extended to the suprasellar area and sphenoid sinus (Figure 1).