title: Epicranial arachnoid cyst.
abstract: We have reported a case of epicranial arachnoid cyst, a developmental abnormality that occurs at the obelion, and have reviewed characteristic clinical and radiologic features that facilitate diagnosis.
mesh_terms: D001099:Arachnoid / Q000473:pathology*; D003393:Cranial Sutures; D003560:Cysts / Q000151:congenital* / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D006391:Hemangioma / Q000151:congenital / Q000175:diagnosis; D006801:Humans; D007231:Infant, Newborn; D009378:Neoplasms, Multiple Primary / Q000175:diagnosis; D012535:Scalp; D012878:Skin Neoplasms / Q000151:congenital / Q000175:diagnosis; D012886:Skull / Q000002:abnormalities*