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.
If a dermoid cyst can be removed, there should be a good chance of this being successful. Sometimes the location of the cyst will mean an operation is not possible because of the risk of damage occurring to surrounding organs, nerves or tissue.