​Differential diagnosis of no mass lesions causing hypopituitarism

​Differential diagnosis of no mass lesions causing hypopituitarism 
-idiopathic
-African trypanosomiasis 
-sickle cell disease
-eclampsia 
-pre eclampsia 
-Langerhans cell histiocytosis 
-post partum pituitary necrosis ( Sheehan’s syndrome) 
-status post coronary artery bypass graft
-stroke 
-autoimmune 
-encephalitis 
-surgery 
-sarcoidosis 
-hemochromatosis 
-cranial irradiation 
-trauma 
-idiopathic