title: Orbital fistula, infection, and cysts.
mesh_terms: D002555:Cerebrospinal Fluid; D003560:Cysts / Q000209:etiology*; D005129:Eye Foreign Bodies / Q000150:complications; D005402:Fistula / Q000209:etiology*; D006801:Humans; D007239:Infections / Q000209:etiology*; D009916:Orbital Diseases / Q000209:etiology*