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Figure 1. (a) [18F]-FDG PET maximum intensity projection view shows thoracic (mediastinal hilar, head arrow) and subdiaphragmatic nodal involvement (hepatic hilar and left groin nodes, black arrows). (b) Sagittal slice shows bony lesions (dotted arrow), involving mostly the axial skeleton and an unusual [18F]-FDG uptake in the middle part of the skull base (white arrow). (c) Brain contrast-enhanced multidetector row CT scan shows an abnormal contrast enhancement of the leptomeninges close to the clivus (sagittal slice), as well as (e) an enlargement of the pituitary gland (12 mm on the coronal slice). (d) The bone window showed an osteolysis of the clivus. This feature was consistent with the diagnosis of neurosarcoidosis.
