then the possibility of aberrant lacrimal gland with fistula needs to be considered among other rare causes. The use of probing can demonstrate the presence of a fistula, which usually fills with dye on retrograde injection. The mass of the aberrant gland may be too small to show up on a radioisotope uptake study, as happened in our case. Surgical excision of the offending aberrant gland and fistula is the treatment of choice.
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