<prompt> True statement about sebaceous cyst:-Arise in the epidermisMobile over skinCommonly seen in scalpRarely contains central punctum  <response>: Generally sebaceous cyst is derived from infundibulum of hair follicles caused by traumatic inclusion Sites are scalp, face, trunk and scrotum Usually sebaceous cyst contains a punctum except scalp and scrotum Skin is fixed over the cyst 