MID ESSEX HOSPITAL SERVICES NHS TRUST / SCIENCE PHOTO LIBRARY MID ESSEX HOSPITAL SERVICES NHS TRUST / SCIENCE PHOTO LIBRARY
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Dermoid cyst on the forehead of a 13 year old male patient. A dermoid cyst is a sac-like growth present from birth. It occurs when tissues become trapped during fetal development and can contain a variety of different tissues, including bone, tooth and hair, although the skin appears normal. They are most commonly found on the ovaries, face, lower back and skull.
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