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Abstract
Ganglia are the most common soft tissue tumours in the hand and are defined as thin-walled cystic tumours with viscousb jelly-like contents(like synovial fluid) Atumour which is almost invariable in contact with a fibrous joint capsule or fibrous tendon sheath.
The etiology has been disputed ; traumatic causation have been clamed to cause rent in joint capsule or tendon sheath from which ganglia originate ;howeverr a lot of cases deny trauma about 50%.