Sudoriferous cyst of the orbit
1Section of Ophthalmology, Dartmouth Medical School, Hanover, New Hampshire 03756, USA.
Purpose:
A case of sudoriferous cyst of the orbit in an adult patient is reported. This unusual cyst in the orbit has heretofore been reported only in congenital cases.
Methods:
Case report.
Results:
A 45-year-old woman sought treatment for an asymptomatic mass of the left lower eyelid. Computed tomography of the orbits showed a cystic lesion in the inferior orbit with bony remodeling. Histopathologic examination showed the lesion to be a solitary cyst lined by two to three layers of cuboidal epithelial cells with eosinophilic cytoplasm. Some of the epithelial cells contained periodic acid-Schiff-positive, diastase-resistant granules. The pathologic diagnosis was a sudoriferous cyst.
Conclusion:
Sudoriferous cysts, although uncommon, should be included in the differential diagnosis of orbital cystic tumors.
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