Epidermoid cyst of the frontal bone.
D001845:Bone Cysts; D003560:Cysts; D004814:Epidermal Cyst; D005624:Frontal Bone; D006801:Humans; D012852:Sinusitis / Q000209:etiology*; D060726:Torso
CYSTS; FRONTAL BONE/cysts; SINUSITIS/etiology and pathogenesis