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Technique of Reconstruction

Skin cancer excision creates a tissue defect that may require surgical repair. Each of the many reconstructive techniques is used for different types of skin cancer defects. The surgical repair can be done by the Mohs dermatologist or may require reconstruction by a plastic surgeon. Certain defects do not require surgical repair at all as the body heals itself. Careful planning is necessary to achieve great results and to avoid problems.

Simple Flaps and Closure

This is the most straightforward technique of closure of a skin defect. It usually requires additional resection of skin, beyond the necessary margins of excision of a lesion. The resection of skin is done to change the defect shape from a round or an oval into a fusiform shape that can be closed as a line. Sutures are used to bring the deep tissue layers together first, followed by more superficial layers of the skin. Traditional external sutures over the line of closure can be used as a final layer. Sometimes, only internal sutures are required to bring the wound edges together.

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Complex Flaps and Closure

Some of the more invasive or advanced skin cancers result in defects which may require complex multi-flap reconstructions. A complex defect is determined by size, lack of structural integrity due to missing mucosal lining, cartilage, fat and muscle, or small defects on the nose or eyelid where simple closures will leave aesthetically displeasing results.

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Vascularized Free Flaps

There are circumstances when a large area of tissue on the face is damaged or surgically removed. Some possible causes are cancer removal, immune and inflammatory diseases, radiation, and trauma. Reconstruction of these defects is challenging and requires a free tissue flap.

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Skin Grafts

When tissue is removed surgically from the face, as is done in skin cancer removal, an open wound (or defect) remains. Reconstruction (or closure) of the defect may be done using many techniques, depending on it's size, depth, location and surrounding skin type. If the defect is superficial and in an area of tension, such as the nose, a skin graft may be used to complete the reconstruction.

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Structural Grafts

When a skin cancer is removed from the ear or nose, the remaining defect may be deep enough to involve the cartilage below. Cartilage is the stiff, supporting structure which creates the shape of the outer ear and nose. When a portion of this cartilage is removed, it often needs to be replaced in order for the structure to maintain its previous shape.

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Second Intention Healing

When tissue is removed surgically from the face, such as in skin cancer removal, an open wound (defect) remains. If the defect is very small and superficial, there may be an option to let the wound heal on its own, rather than having it surgically repaired. This natural healing of defects is called secondary intention healing. It may be a good choice for patients who are poor surgical candidates or who are not concerned with an optimal cosmetic outcome. Sometimes, secondary intention healing can actually produce superior cosmetic results. Experienced reconstructive surgeon can help the patient make that decision.

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Prosthetic Ear Reconstruction

When skin cancer involves a large portion of the auricle, surgical treatment options include either Mohs excision or subtotal or total resection of the auricle. Each surgical approach has its unique advantages. Prosthetic reconstruction of the auricle offers the aesthetic rehabilitation option that can change the surgical treatment approach to skin cancer of the auricle.

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