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.
Dear Reader, You could be describing a dermoid cyst. Dermoid cysts are benign tumors that contain nails, teeth, bone, hair, cartilage, or other tissues, and can be filled with a fatty substance. They vary in size and location, generally appearing on an ovary, as in your friend's situation. In 25 percent of cases, cysts are found on both ovaries.