Different patterns of orbital roof involvement by cholesterol granuloma

Two patients presented with cholesterol granuloma [CG], with completely different patterns of orbital roof involvement. One patient had a large intraorbital cystic CG, whereas the other had a very large intraosseous CG of the frontal bone. The presentation of CG with variable orbital roof involvement highlights the importance of being aware of the clinical characteristics and the imaging features of CG

Primary orbital ganglioneuroma in a 2-year-old healthy boy

A 2-year-old healthy child presented with progressive unilateral proptosis. Complete work up including: general examination, detailed ophthalmic evaluation and radiological imaging were done. He underwent orbital exploration via anterior orbitotomy incision and debulking of the tumor was done. The histopathological examination confirmed the diagnosis of orbital ganglioneuroma. Ganglioneuroma is an unusual benign tumor of neuroplastic origin with extremely rare orbital involvement with only one prior reported case in a youth. The tumor is slow growing and non-metastasizing. Biopsy is necessary to differentiate it from the malignant neuroblastoma and excision is usually curative