Giant cell tumour of the tendon sheath

Question 1

second most common soft tissue tumour after

Answer 1

ganglion cysts

Question 2

where do they affect

Answer 2

palmar surface of the hand especially around the PIP join of the index and middle fingers

Question 3

they are typically

Answer 3

well circumscribed but can be diffuse

Question 4

do they cause pain

Answer 4

they may or may not cause pain as they can envelope the digital nerve or artery and erode into bone

Question 5

histologically they contain

Answer 5

multi-nucleated giant feels and haemosiderin which gives them their brown appearance

Question 6

management

Answer 6

surgical excision to prevent local spread and to treat symptoms