what is synovial cyst
Not to be confused with Ganglion (nervous tissue structure). A ganglion cyst, or a synovial cyst, also known as Gideon's Disease, a Bible Cyst, or a Bible Bump, is a non-neoplastic soft tissue lump that may occur in any joint, but most often occurs on, around, or near joints and tendons in the hands or feet.ot to be confused with Ganglion (nervous tissue structure). A ganglion cyst, or a synovial cyst, also known as Gideon's Disease, a Bible Cyst, or a Bible Bump, is a non-neoplastic soft tissue lump that may occur in any joint, but most often occurs on, around, or near joints and tendons in the hands or feet.