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 cysts. These cysts are usually found in the genital and perianal areas in adults; however, in children, they are seen most often in the head and neck regions. About 40% of dermoid cysts are present at birth, and 70% are present by age 5 years. They are more common in women than in men.