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This 9-year-old boy has a small right face turn and limitation of adduction in the left eye with up and outshoot in the left eye in upgaze leading to a diagnosis of Duane syndrome, possibly class III.  His vision is 20/20 in each eye, no significant refractive error, and stereopsis to 40 sec.   During the examination a painless mass was noted at the superior lateral orbital rim of the right eye measuring approximately 7 mm.  It is unattached to overlying skin and is mobile.

1.	What is the most likely diagnosis regarding the mass?
	a. lacrimal tumor b. inclusion cyst from prior trauma c. bony origin tumor d.  dermoid cyst e. none of the above
2.	How would you manage this?
	a. do nothing b. watch this for growth c. remove it surgically d.  extract the contents with a fine needle e. none of the above
3.	What is the most likely origin of this mass?
	a. a benign tumor of the pericytes b. a mass resulting from connective tissue c. a cyst lined with keratinized epithelium and dermal appendages d.  neurofibromatosis e. none of the above

For answers to the above, click here on or after December 18, 2007.