Table 2: Chronology of evolution of cross-finger flap with its variants.
Year of introduction |
Author who first introduced |
Defect characteristic |
Flap introduced |
Flap characteristic |
1950 |
Gurdin [1] |
Fingertip and volar defect with exposed bone or tendon. |
Transdigital flap or standard cross-finger flap. |
Retrograde or transverse based, two-staged flap from contiguous area of skin (dorsal/ lateral) on an adjacent finger. Flap made is 1/4th larger in addition to defect size. Length-width ratio not to exceed 3:1 |
1971 |
Alonso-Artteda [17] |
Degloving injury with distal phalanx amputation |
Wrap around cross finger flap |
Replantation of distal phalanx with cross finger flap from adjacent finger, along with its ulnar neurovascular bundle |
1972 |
Wilkinson [11] |
Thumb pulp defect |
Radial nerve innervated cross-finger flap |
Flap of skin and subcutaneous tissue from dorsum of proximal phalanx of index finger as a two-staged procedure, while the superficial radial nerve branches to the flap are transferred primarily. |
1980 |
Atasoy [14] |
Index fingertip amputation |
Cross thumb to index finger pedicle |
Proximally based full thickness dorsal flap from proximal phalanx of thumb, superficial to paratenon. Both dorsal sensory branches of thumb are preserved. |
1982 |
Atasoy [28] |
Dorsal skin avulsions and extensor tendon injuries, nail bed defects |
Reversed cross-finger subcutaneous flap |
Subcutaneous tissue flap from middle/ proximal phalanx of adjacent finger is used. The full-thickness skin flap raised from donor area covers the donor defect. |
1983 |
Atasoy [30] |
Hook nail deformity |
Antenna procedure |
Cross-finger flap stabilised with multiple small K-wires in stage one |
1983 |
Cohen [20] |
Fingertip defects |
Innervated cross-finger flap |
Flap raised from dorsum of middle phalanx along with its dorsal sensory nerve (distal to pedicle), which is then co-apted with digital nerve in recipient finger in stage one. |
1985 |
Robbins [31] |
Dorsal finger defects |
De-epithelised cross-finger flap |
Donor split thickness skin graft was completely removed. Adipofacial flap is used in reversed fashion |
1985 |
Vlastou [33] |
Thumb defects |
Volar cross-finger flap |
Volar skin and subcutaneous tissue of proximal phalanx of middle finger is used as donor flap. |
1986 |
Yanai [34] |
Thumb tip defect |
Narrow pedicled cross-finger flap |
Flag shaped cross finger flap harvested from dorsum of middle phalanx |
1993 |
Mutaf [38] |
Dorsal, volar, transverse defects |
C-ring cross-finger flap |
An axial pattern cross finger flap, based on one digital vascular bundle, proximally or distally. Includes entire dorsal and half of volar surface of donor finger. |
1995 |
Lai [40] |
Dorsolateral, lateral defect |
Reverse digital artery neurovascular cross-finger flap |
Flap harvested from lateral side of proximal phalanx nourished by distally based digital artery. Segment of digital nerve dorsal branch within the flap is used to bridge gap in recipient area |
2000 |
Sabapathy [45] |
Multi-digital mutilating injuries |
Jumping cross-finger flap |
Flaps taken from non-adjacent fingers |
2002 |
Lassner [24] |
Fingertip defects |
Bilaterally innervated cross-finger flap |
Both dorsal sensory branches of donor flap are co-apted with nerve stump of traumatised finger in both stages sequentially |
2009 |
Tadiparthi [49] |
Circumferential defect of ring finger |
Open book flap |
Dorsal skin flap from donor finger is used for volar cover, and adipofascial flap from same finger for dorsal cover |
2010 |
Moosa [50] |
Ring avulsion injury (Adani type IV) |
Double cross-finger flap |
Standard cross finger flap for volar cover of recipient finger. Reversed cross finger flap from different donor for dorsal cover. |
2011 |
Zhao [25] |
Venous congestion post digital replantation |
Proximally based cross finger flap as venous conduit |
Veins of congested replant were anastomosed with proximally based flap from proximal phalanx of adjacent finger |
2013 |
Feng [56] |
Distal fingertip degloving injury |
Innervated pedicled cross-finger flap |
Dorsal flap from middle phalanx, based on dorsal branch of proper digital artery is raised. Dorsal sensory branch of digital nerve within the flap is co-apted with digital nerve stump of injured finger. |
2018 |
Chong [65] |
Dorsal or volar finger defects |
Laterally based cross-finger flap |
Flap elevated from middle/proximal phalanx pedicled over midlateral line. |