Leptomeningeal cyst.
D002648:Child; D002675:Child, Preschool; D003560:Cysts / Q000209:etiology* / Q000601:surgery; D006801:Humans; D008578:Meninges / Q000293:injuries*; D009460:Neurologic Examination; D011182:Postoperative Care; D012887:Skull Fractures / Q000150:complications* / Q000175:diagnosis / Q000601:surgery