Possible aetiopathogenetic correlation between primary empty sella and arachnoid cyst

Three cases of surgically treated non-neoplastic diseases of the sella (two arachnoid cysts and one empty sella) are reported. All three patients had visual deficits but no gross endocrine disturbances. The study of these three clinical cases and an analysis of the relevant literature suggest a possible unitary hypothesis regarding the pathogenesis of sellar arachnoid cysts and empty sella.