In this series all tumors involve into the orbital cavity from the anterior ( 49 cases ) or middle fossa (( 7 cases )) including the supraorbital ridge orbital roof and lateral wall and floor in intracranial .

全组病例中，肿瘤位于颅前凹49例，颅中凹7例，均累及眶腔的 眶 上 嵴、眶顶或侧壁。