PMC8343860_01
Case 2: A 22-year-old male patient was diagnosed with Kienbock's disease in the left wrist due to persistent pain and increasingly limited motion of the wrist after a fall. (a, b) Preoperative PA (posteroanterior) and lateral radiography images. (c) Lunate debridement and revival with burr (arrow) via dorsal incision, flap was transferred through a subcutaneous tunnel (dashed arrow showing vascularized bone graft and its pedicle). (d, e) Postoperative 10th week PA and lateral radiography images. (f) Postoperative 12th week scintigraphy image. (g) Postoperative 12th week wrist range of motions.
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F4
The patients returned to work after a median duration of 4.3 months (Figure 4). 
Case 3: A 22-year-old male patient who suffered a gunshot injury in his left hand showed a -40  restriction of the third finger metacarpophalangeal (MP) joint extension. The patient had a 3X3-cm skin defect at the dorsal side of the hand, a 3.5-cm long bone defect at the third metacarpal, and a 2-cm extensor tendon defect on the third finger also common digital artery and common digital nerve to the third and fourth digit was disrupted. The graft was fixed cup in cone method distally and with a screw and cerclage wire proximally while the third finger extensor digitorum communis tendon was reconstructed with the palmaris longus tendon taken from the wrist from the same side, common digital artery ligated, nerve was repaired. (a, b) Dorsal and volar images of the hand before the operation. (c, d) Posteroanterior (PA) and lateral radiography images of the hand preoperatively. (e) Elevation of the flap. (f) Flap was adapted to recipient site. (g, h) The PA and lateral radiography images of the hand postoperative 10th week. (i) Postoperative 12th week scintigraphy image. (j, k) Dorsal and side view of the hand at the third month after the operation. A 30 degrees of extension lag and 3-mm metacarpal shortening comparing normal site remained. The patient was unwilling for any further surgical treatment for extension lag.
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These patients returned to work after a median duration of 8.5 months (Figure 5).
PMC8343860_02