1. Inverted triangle repair of dog-ear
Francisco Russo, MD 
Journal of the American Academy of Dermatology 
Volume 76, Issue 3, Pages e95-e97 (March 2017)
DOI: /j.jaad
Copyright © 2016 American Academy of Dermatology, Inc. Terms and Conditions

2. Fig 1
Pig's feet as surgical model. A, Circular defect. B, Three stitches are placed at the middle of the wound to clearly define 2 dog-ears. The inferior dog-ear was removed as an M-plasty. C, An inverted triangular piece of excess tissue was removed in the superior dog-ear. D, Y-shaped closure of the resulting defect was performed. E, Frontal view of both techniques of repair. Inverted triangle allowed for larger reduction in the scar's length than M-plasty.
Journal of the American Academy of Dermatology  , e95-e97DOI: ( /j.jaad )
Copyright © 2016 American Academy of Dermatology, Inc. Terms and Conditions

3. Fig 2
Schema comparing traditional M-plasty with inverted triangle technique. Inverted triangle allows for larger reduction in the scar's length than M-plasty.
Journal of the American Academy of Dermatology  , e95-e97DOI: ( /j.jaad )
Copyright © 2016 American Academy of Dermatology, Inc. Terms and Conditions

4. Fig 3
Patient. A, Primary defect. B, Marked inverted triangle before excision. C, Status after excision of the inverted triangle. D, Corner suture placement. E, Tightened suture with Y-shaped closure. F, Final postoperative outcome.
Journal of the American Academy of Dermatology  , e95-e97DOI: ( /j.jaad )
Copyright © 2016 American Academy of Dermatology, Inc. Terms and Conditions