Fig. 1.

The histological spectrum of idiopathic granulomatous hypophysitis. Granulomatous hypophysitis is characterised by variable numbers of multinucleated giant cells and lymphoyctes, numerous histiocytes, some forming granulomas, and variable amounts of fibrosis. Figures a and b are taken from our own experience. Figures c and d reproduced from Lee et al. [28] under the Creative Commons license, and figures e and f are reproduced from Jastania et al. [24] with permission from Springer