Adenoma of the nonpigmented ciliary epithelium presenting as glaucoma.

We describe a case of adenoma of the nonpigmented ciliary epithelium in a 58-year-old male, who presented with glaucoma. A healthy White male was incidentally found to have an elevated intraocular pressure in his left eye (25 mmHg) during a visit to a local optometrist. After further investigations he was diagnosed with a primary open angle glaucoma (POAG) and treated with drops for two years until he developed a sectorial cataract. During the first dilated eye exam, a pale tan tumor was discovered, that seemed to originate from the superior ciliary body, causing a sectorial-cortical cataract and subluxation of the lens. The eye was enucleated on the suspicion of a rare adult medulloepithelioma, because of multicystic features on B-scan ultrasonography. However, histopathological examination revealed an adenoma of the nonpigmented ciliary epithelium that grew in trabecular papillary patterns, with smaller areas of solid and microcystoid growth. As this is a benign tumor without metastatic potential, the patient was referred back to his home clinic without requirement for radiological staging or screening. Adenomas of the nonpigmented ciliary epithelium (NPCE adenomas) are benign tumors that are often mistaken for malignant counterparts. Thus, this case report expands on the available literature of this rare entity.

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.