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To the Editor.
—Dr. Charles' letter brings up an interesting problem. In reviewing the case at the AFIP, the possibility that the cyst in question may represent a retention cyst originating from a lacrimal gland ductule was discussed. It seems that it is virtually impossible to differentiate between a sudoriferous cyst and cystic dilation from one of the lacrimal gland ductules. Since there would appear to be more than one histopathologic interpretation of this specimen, the diagnosis becomes one of speculation. The presence of lacrimal gland tissue in association with the cyst may indicate its origin or it may be a coincidental occurrence. A congenital lacrimal gland ductule cyst is itself rare and the superior nasal quadrant of the eyelid would be an unusual if not rare site for its occurrence. A sudoriferous cyst occurring at this site would not be unexpected since the glands of Moll are present along
Saunders J. Sudoriferous Cyst-Reply. Arch Ophthalmol. 1974;92(1):89. doi:10.1001/archopht.1974.01010010093021