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.
Dermoid Cyst. Dermoid cyst appears in many forms like sac, hair, teeth or fluids on the skin. The sac like structure is inherited and is seen right from birth of the child. It is largely seen on the face, lower back (spinal cord) and inside the skull. Sometimes it may occur in the ovaries of pregnant women.