Add Yahoo as a preferred source to see more of our stories on Google. Andrew Purvis found out he had a sight-threatening brain cyst after doctors had previously diagnosed his symptoms as sinusitis - ...

He’d seen my A&E scans and wanted to operate urgently. The lesion was a mucocele (or pus-filled cyst) the size of a large grape, which had grown in my left sphenoid sinus, breached the bone wall and ...