Ring melanoma of the anterior chamber angle as a mimicker of pigmentary glaucoma

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Stadigh , A , Puska , P , Vesti , E , Ristimaki , A , Turunen , J A & Kivela , T T 2017 , ' Ring melanoma of the anterior chamber angle as a mimicker of pigmentary glaucoma ' , Survey of Ophthalmology , vol. 62 , no. 5 , pp. 670-676 . https://doi.org/10.1016/j.survophthal.2017.01.007

Title: Ring melanoma of the anterior chamber angle as a mimicker of pigmentary glaucoma
Author: Stadigh, Anni; Puska, Paivi; Vesti, Eija; Ristimaki, Ari; Turunen, Joni A.; Kivela, Tero T.
Contributor: University of Helsinki, Clinicum
University of Helsinki, Department of Pathology
University of Helsinki, Clinicum
University of Helsinki, University of Helsinki
Date: 2017
Language: eng
Number of pages: 7
Belongs to series: Survey of Ophthalmology
ISSN: 0039-6257
URI: http://hdl.handle.net/10138/297935
Abstract: A 19-year-old man noticed blurred vision in his right eye. He had an intraocular pressure of 60 versus 12 mmHg in the fellow eye. He was initially diagnosed with an atypical, advanced pigmentary glaucoma. The intraocular pressure did not respond to maximal medication, deep sclerectomy, goniopuncture, and 2 cyclophotocoagulations. Sixteen months after presentation, malignancy was first suspected, and the eye was enucleated. A ring melanoma of the anterior chamber angle was confirmed by the histopathologic examination. Normal nuclear staining for breast cancer 1 gene (BRCA1)-associated protein 1 suggested that the tumor was likely of disomy 3 type with a favorable prognosis. No local or systemic recurrence has developed within 4 years. A literature review of this rare type of minimal volume diffuse uveal melanoma identified 18 additional patients. The initial diagnosis in 18 of the 19 patients with a ring melanoma of the anterior chamber angle was unilateral glaucoma with a median intraocular pressure of 40 mmHg and an age range of 16-76 years. Liver metastasis developed in 5 of 12 patients older than 45 years. This rare subtype is estimated to account for 0.05%-0.16% of all uveal melanomas. (C) 2017 Elsevier Inc. All rights reserved.
Subject: unilateral glaucoma
pigment dispersion
uveal melanoma
ring melanoma of anterior chamber
angle
secondary angle closure glaucoma
UVEAL MELANOMA
IRIS MELANOMA
INTRAOCULAR MELANOMA
BAP1
DISPERSION
PROGNOSIS
RECESSION
3125 Otorhinolaryngology, ophthalmology
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