
Wrist radiograph following the patient's initial fall. Note the widened gap between the scaphoid and lunate bones (arrow), signifying complete disruption of the scapholunate ligament (Terry Thomas sign). There are no signs of osteoarthritis. | Clark, D. L., & von Schroeder, H. P. (2004). Scapholunate ligament injury: the natural history. Canadian journal of surgery. Journal canadien de chirurgie, 47(4), 298–299.

Terry-Thomas in 1961, showing his dental diastema which later provided the basis for naming a widening of the scapholunate space ("Terry Thomas sign") in a traumatic wrist injury | Public Domain, https://commons.wikimedia.org/w/index.php?curid=26080484