E. Fritsche et al., Simultaneous avulsion fracture of the insertion of the ulnar and radial collateral ligaments of the metacarpophalangeal joint of the thumb, BR J PL SUR, 53(2), 2000, pp. 168-170
We present a case of simultaneous avulsion fracture of the insertion on the
volar base of the proximal phalanx of the ulnar and radial collateral liga
ments of the metacarpophalangeal joint of the thumb. To our knowledge this
combination has never been published before. The mechanism of this injury i
s not clearly understood. (C) 2000 Harcourt Publishers Ltd.