The superior orbital fissure is a foramen in the skull, although strictly it is more of a cleft, lying between the lesser and greater wings of the sphenoid bone. 1  1 Structures passing through. number of important anatomical structures pass through the fissure, and these can be damaged in orbital trauma, particularly blowout fractures through the floor of the orbit into the maxillary sinus. These structures are:
To research the causes of Dermoid cyst, consider researching the causes of these these diseases that may be similar, or associated with Dermoid cyst: 1  Squamous cell carcinoma. 2  Encephalocele. 3  Sebaceous cyst.
These cysts occur predominantly on the scalp, are odorless and have less fat and more keratin than epidermoid cysts. They are very amenable to removal by the minimal excision technique. Dermoid Cyst. These congenital cysts occur in the lines of cleavage and sublingually around the eyes and on the base of the nose.