title: COLLATERAL HYPERPLASIA AND CYST FORMATION OF ORBITAL LEPTOMENINX: SECONDARY TO OPTIC-NERVE GLIOMA.
mesh_terms: D001099:Arachnoid; D002648:Child; D003560:Cysts; D005910:Glioma; D006801:Humans; D006965:Hyperplasia; D006984:Hypertrophy; D009900:Optic Nerve; D009918:Orbital Neoplasms; D010336:Pathology; D010841:Pia Mater; D013514:Surgical Procedures, Operative
keywords: ARACHNOID; CHILD; CYSTS; GLIOMA; HYPERTROPHY AND HYPERPLASIA; OPTIC NERVE; ORBITAL NEOPLASMS; PATHOLOGY; PIA MATER; SURGERY, OPERATIVE