“…GH may occur as a component of systemic granulomatous diseases, such as tuberculosis, sarcoidosis, Langerhans cell histiocytosis and syphilis, or as an isolated pituitary disease caused by a foreign body reaction or rupture of Rathke's cleft cyst. When all these conditions may be excluded, the term idiopathic GH (IGH) is used (1,2,4). IGH is a rare inflammatory disease of the pituitary gland of unknown etiology characterized by lymphoplasmacytic infiltration and the formation of granulomas comprised of epithelioid cells and multinucleated giant cells (2,4).…”