The boy was 6 months old, found right inner canthus pigmentation nevus at birth with gradually increasing with age (A) Preoperative photo of right inner canthus pigmented nevus, defect size 7 mm× 9 mm; (B) Mark the excision range and design kite flap and rotating flap; (C,D) Closed and opened eyes 1 day postoperation, with good inner canthus morphology and no internal and external eyelid inversion or inner canthus deformation; (E) One month after surgery, the inner canthus was in good shape, the incision was slightly red, and the scars were not obvious; (F) Three months after surgery, the inner canthus was in good shape, no obvious scars and bilateral symmetry.
图3 左眼上睑外侧色素痣切除术皮肤缺损修补
Figure 3 Repair of skin defect after removal of lateral upper eyelid pigment nevus in left eye
(A) Preoperative photos of pigmented nevus on the upper eyelid of the left eye, with a defect size of 12 mm×10 mm; (B) Intraoperative resection range and kite flap design; (C) Immediately postoperation, the upper eyelid and eyebrows were in good shape, there was no internal and external eyelid inversion, no changes in upper eyelid shape, and no deformation of the eyebrow and eyelid; (D) the sutures were removed 1 week postoperation, and the upper eyelid and eyebrow were in good shape. The incision was slightly red, and the scar was not obvious which located under the eyebrow.
图4 风筝皮瓣在眼部应用示意图
Figure 4 Schematic diagram of kite flap application to eye
The black circle represents the tissue defect site, the red line represents the flap design, and ABCabc represent the location where the design flap is shifted and overlapped (A) Repair of eyebrow tip defect using a unilateral kite flap, extending and advancing the tail end towards the head end, maintaining the shape of the eyebrow, and shifting the acb to the eyebrow tip to repair the defect; (B) Double kite flaps were used to repair the defect in the middle part of the eyebrow, and the incision was hidden inside the eyebrow and the upper and lower eyebrow edges. Attention was paid to the incision direction during the operation following the hair follicle to avoid damaging the hair follicle. A and a while B and b were pushed and overlapped to the same position; (C) Repair of eyebrow tail defect using a double kite flap, paying attention to eyebrow morphology and protecting hair follicles during the operation. The flap advancement is similar to Figure (B); (D) Single kite skin flap was used to repair the upper inner eyelid defect. The incision was located under the eyebrow and the defect edge. The flap was advanced to the nasal side to make d coincide with D, and abC was advanced to the nasal side to repair the defect, with temporal alignment suturing; (E)Repair the large defect in the center of the upper eyelid using the improved double kite flap, and the incision was made under the eyebrow and double-fold eyelid line, advance the flap to the defect center to make the longitudinal incision tensionless. The I-shaped double-pedicled kite flap was used to push the area A and area B to the center to repair the defect; (F) Repair of the upper eyelid and upper temporal defect using a temporal kite flap, the incision was hidden beneath the eyebrow, and the flap was similar to figure (D);(G) The defects in the lower and inner upper eyelid were repaired by asymmetric double kite flaps. Paying attention to the shape of the upper eyelid and the direction of the eyelashes, to avoid eyelid inversion and trichiasis. Skin flaps were designed along the double eyelid line to overlap A and a to repair the defects. (H) Medium size defect in the center upper eyelid was repaired by using double kite flap. The incision was placed at the double eyelid incision, and the flap was similar to figure (G); (I) The lower temporal defect of the upper eyelid was repaired by asymmetric double kite flap. During the operation, attention was paid to the eyelid morphology to avoid eyelid inversion and corneal exposure, etc. The flap advance was similar to figure (G). ( J) Repair of the defect below the inner canthus using a nasal rotating flap combined with a lower eyelid kite flap. During the surgery, tension free suturing was achieved to maintain the shape of the inner canthus without deformation. ABC was kite flap and abc was rotary flap. A and a, B and b were pushed to overlap to repair the defect, and c was moved to the original location a to repair the secondary defect of the rotary flap. (K) The upper inner canthus defect was repaired by nasal rotation flap combined with upper eyelid kite flap. The flap advancement was similar to Figure ( J). (L) Improved double kite-flap was used to repair the defects of the outer canthus. During the operation, attention was paid to maintaining the shape of the outer canthus. The inner muscle was fixed in the orbital periostium of the outer canthus to maintain the shape of the outer canthus. The abc flap is fully free, and C is moved to the original outer canthus. The inner layer is fixed to the orbital periosteum of the outer canthus, and a b were moved to A B of the upper and lower eyelid defects respectively, whereas a overlaps with A and b overlaps with B.
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