"Some ganglion cysts can occur in post-traumatic and post-surgical situations 12."
"T1: typically ganglia are low signal although high proteinaceous content or haemorrhage may result in lesions appearing isointense or hyperintense on T1 weighted images"
"T2/STIR: typically high signal"
"T1 C+ (Gd): thin rim or septal enhancement 13"
"knee: e.g. ACL ganglion cyst"
"There are many ways of classifying ganglion cysts."