Table 1.

Classification of hypophysitis

Primary	Secondary
Lymphocytic hypophysitis	Systemic diseases
Lymphocytic adenohypophysitis	Takayasu’s diseases
Lymphocytic infundibulo-neurohypophysitis	Langherans cell hystiocytosis
Lymphocytic panhypophysitis	Crohn’s disease
Granulomatous hypophysitis	Sarcoidosis
Xantomatous hypophysitis	Inflammatory pseudotumor
Necrotizing hypophysitis	Infective etiology
IgG4- related hypophysitis	Bacterial, viral, fungeal diseases
Mixed forms	Drug
	CTLA-4 blocking antibodies
	Interferon