| Cyst Removal: Cysts (also know as sebaceous cysts) are small closed sacs that contain fluid or solid material. A cyst is an infection and requires that the dermatologist drain the contents and sometimes surgically remove the cyst. Sebaceous cysts most often arise from swollen hair follicles. Skin trauma can also induce a cyst to form. A sac of cells is created into which a protein called keratin is secreted.
Cysts are usually found on the face, neck, and trunk. They are usually slow- growing, painless, freely movable lumps beneath the skin. Occasionally, however, a cyst will become inflamed and tender.
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