1. Orbital cavernous angiomas: Surgical experience on a series of 13 cases;Acciarri;J Neurosurg Sci,1995
2. Hemangiomas—treated and untreated;Andrews;JAMA,1957
3. The radiologic evaluation of the orbit: Conal and intraconal lesions;Armington;Semin Ultrasound CT MR,1988
4. Hemangiopericytoma: Report of a case and comprehensive review of the literature;Backwinkel;Cancer,1970
5. Orbital ultrasonography: Ocular and orbital pathology.;Berges,1990