Sarkoidose der Hypophyse

Unusual

presentation of a skull base mass lesion in sarcoidosis mimicking malignant neoplasm: a case report. Sagittal T1-weighted MRI with gadolinium (left) demonstrating a small enhanced mass of the fourth ventricle and an homogeneous enhanced mass in the pituitary and infundibulum. Further, coronal T1-weighted MRI with gadolinium (right) revealed extensive involvement of the right cavernous sinus and the presence of dural enhancement resembling a dural tail sign in the right middle cranial fossa