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Complex Choristoma Masquerading as a Dacryocystocele
James C. H. Tan, MD, PhD;
Mark J. Lucarelli, MD;
Daniel M. Albert, MD, MS;
Lindell R. Gentry, MD
Arch Ophthalmol. 2009;127(6):823-826.
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| Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings. |
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Orbital dermoid cysts are choristomas believed to arise during development from sequestered ectodermal rests. The cysts are lined by keratinized stratified squamous epithelium, contain adnexal structures, and are often attached to superotemporal orbital bone.1-2 A variant of the orbital dermoid cyst, the conjunctival dermoid cyst, is lined by nonkeratinized epithelium with goblet cells and tends to be found anteronasally in orbital soft tissue without bony attachment.3-4
Report of a Case
A 35-year-old man had a 15-year history of chronic epiphora and an erythematous, soft, nontender swelling near his right medial canthus (Figure 1A). He was considered to have a dacryocystocele. Despite an external dacryocystorhinostomy, his swelling persisted (Figure 1B).
Figure appears in full text version.
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Figure 1. External photographs, computed tomographic images, and magnetic resonance images. External photographs show the patient before (A) and 2 weeks after . . . [Full Text of this Article]
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