Description : Sebaceous cyst?
Last Answer : DefinitionA sebaceous cyst is a closed sac under the skin filled with a cheese-like or oily material.See also:CarbuncleCystFuruncleAlternative NamesEpidermal cyst; Keratin cyst; Epidermoid cyst Causes, ... becomes infected, you may have redness, tenderness, or increased temperature of the skin over