Letter to the editor A suprasellar arachnoid cyst destructing sphenoid sinus: An unusual cause of headache in an elderly female O Levent, G Gürol, A Levent, S Ozlem DOI: https://doi.org/10.4414/smw.2004.10456 Publication Date: 10.01.2004 Swiss Med Wkly. 2004;134(01-02):28-29 This text is only available as PDF .