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The areas to be treated during liposuction are marked before surgery (A) and then injected with a solution to aid in fat removal (B). The surgeon inserts a cannula into the areas (C), then suctions out fat with a back and forth motion (D). (Illustration by GGS Inc.)

Abdominoplasty (tummy tuck) surgery. Portions of the lower abdominal tissues have been removed and the navel repositioned. The remaining skin flaps will be sutured. (Photography by MM Michele Del Guercio. Reproduced by permission.)

In an abdominoplasty, or tummy tuck, an incision is made in the abdomen (usually from hip bone to hip bone). Excess skin and fat is removed (B). The muscles may be tightened (C). The navel will be placed into the proper position (D), and the major incision closed beneath it. (Illustration by GGS Inc.)

A doctor performs dermabrasion with a high-speed rotary wheel (A). The tool takes off the top layers of the skin (B) to improve the appearance of wrinkles or scars (C). (Illustration by GGS Inc.)

To change male genitalia to female genitalia, an incision is made into the scrotum (A). The flap of skin is pulled back, and the testes are removed (B). The skin is stripped from the penis but left attached, and a shorter urethra is cut (C). All but a stump of the penis is removed (D). The excess skin is used to create the labia (external genitalia) and vagina (E). (Illustration by GGS Inc.)

Skin grafts may be used in several thicknesses (A). To begin the procedure, a special cement is used on the donor skin area (C). The grafting machine is applied to the area, and a sample taken (D). After the graft is stitched to the recipient area, it is covered with nonadherent gauze (E) and a layer of fluffy surgical gauze held in place with suture (F). (Illustration by GGS Inc.)

In a minimally invasive pectus excavatum repair, two incisions are made on opposite sides of the chest. A clamp is guided beneath the sternum to create a tunnel for the bar (A), which is then fed through (B). The bar is turned over to push the sternum out (C and D) and attached to the ribcage. (Illustration by Argosy.)

An incision is made at the base of the penis to implant a prosthesis in an area of erectile tissue (B and C). Once in place, a pump placed in the scrotum can be used to inflate and deflate the implant when an erection is desired (D). (Illustration by GGS Inc.)

To treat varicose veins in the leg, the saphenous vein may be removed by ligation and stripping (A). First an incision is made in the upper thigh, and the saphenous vein is separated from its tributaries (B). Another incision is made above the foot (C). The lower portion of the vein is cut, and a stripper is inserted into the vein (D). The stripper is pulled through the vein and out the incision in the upper thigh (E). (Illustration by GGS Inc.)

To remove a hemangioma that is very large or in a troublesome area (A), the surgeon makes an incision around the mark (B), then closes the skin around it (C). (Illustration by GGS Inc.)

During sclerotherapy for the treatment of varicose veins, the doctor injects a chemical solution directly into the vein (A and B). The needle travels up the vein, and as it is pulled back, the chemical is released, causing the vein to form fibrous tissue that collapses the inside of it (C). (Illustration by GGS Inc.)

In a hair transplant, plugs of hair and supporting tissues are removed from a donor area at the back of the head (A and B). Pieces of skin are removed at the front of the head, and grafts are placed (C). (Illustration by GGS Inc.)