What shape is a keystone flap?
in English, French. Introduction: The keystone design perforator island flap is a trapezoidal-shaped random perforator island flap with many advantages over primary closure, skin grafting, and other local flaps for soft tissue reconstruction commonly encountered with cancer excisions.
What are the types of flap?
Flaps are of two main types, free flaps and pedicled flaps.
- Free flap: The flap with its blood vessel is disconnected and then attached to a blood vessel at a recipient site.
- Pedicled flap: Flap that has its blood supply with at least one artery and one vein.
What is a hatchet flap?
The Hatchet flap is a well-known flap used to cover round defects with primary closure of the donor sites in a V–Y fashion. This provides a stable coverage of the defect by a skin flap from the adjacent area and thus having similar color, texture, and sensation to the lost skin.
What is the difference between free flap and pedicle flap?
When the TRAM flap is a pedicle flap, it remains attached to its blood supply, with the tissue surgically tunneled underneath the skin to the breast region. When the TRAM flap is a free flap, the tissue is detached and cut away from its blood supply before being transferred.
What is a Karapandzic flap?
This is a sensate axial musculomucocutaneous flap based upon the superior and inferior labial arteries. It provides good oral competence and is useful for closing one-half to two-third defects of the upper lip and defects up to three-quarters of the lower lip.
What is a Melolabial flap?
The melolabial flap is a versatile technique for functional and esthetic rehabilitation of defects of the central portion of the face. Variations of this flap may be used to reconstruct small- to medium-sized defects involving the chin, upper and lower lip, cheek, nose, and lower eyelid.
What is the advanced edge of the Keystone flap?
The inner curvilinear edge of the keystone flap is advanced medially for coverage of the defect. An advancement of 3 cm can be obtained; further advancement would require skeletonization of the perforators. The defect is narrowed by closing either ends in a V-Y fashion.
What is a keystone design perforator island flap?
We have coined the term Keystone Design Perforator Island Flap (KDPIF) because of its curvilinear shaped trapezoidal design borrowed from architectural terminology. It is essentially elliptical in shape with its long axis adjacent to the long axis of the defect.
How many V-Y flaps are in a keystone design?
Two for the price of one: a keystone design equals two conjoined V-Y flaps. ANZ J Surg. 2011;81:405–406. 4. Pelissier P, Gardet H, Pinsolle V, et al.
What is the cervico-submental Keystone island flap used for?
The cervico-submental keystone island flap for locoregional head and neck reconstruction. J Plast Reconstr Aesthet Surg. 2013;66:23–28.