The most appropriate site for equine TSCP appears to be 4 mm posterior to the dorso- and ventrotemporal limbus avoiding the 3 and 9 o'clock positions and using an initial energy setting of 2.25 J/site. This results in effective damage to the pars plicata while minimizing surgical complications such as retinal detachment and hemorrhage.

A 5-year-old European hedgehog was examined because of exophthalmos of the left eye. A retrobulbar mass in the ventromedial orbit was suspected and confirmed by a computed tomography scan. Exophthalmos progressed despite systemic broad-spectrum antibiotic therapy. The left orbit was exenterated and the mass was partially removed. The histopathologic diagnosis was lacrimal ductal carcinoma. Lacrimal ductal carcinoma is rare in humans and animals. The long-term prognosis is guarded to poor.

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