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.
Though hair removal is the main cause of ingrown hair formation, there are other reasons that might lead to or encourage the formation of an ingrown hair cyst. Here are some of the common causes of an ingrown hair cyst. 1. Poor shaving or waxing . Poor shaving and waxing are the main cause for the formation of ingrown hair cysts.