Case #462 – February, 2018

A 17 year-old male patient presented with cellulitis and a mass in the eye over a 3 month period. It was situated at the limbus near the lateral rectus muscle. Surgical exploration revealed a sub-conjunctival cystic mass about 1 cm in diameter. The mass was subsequently excised and sent to the pathologist for examination. The attached images were taken from hematoxylin and eosin (H&E) stained sections. What is your diagnosis? Based on what criteria?

This case and images were kindly provided by Dhruv Pathology & Molecular Diagnostic Lab, Nagpur, Maharashtra, India.

Parasitic image

Figure A

Parasitic image

Figure B

Images presented in the dpdx case studies are from specimens submitted for diagnosis or archiving. On rare occasions, clinical histories given may be partly fictitious.

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