BROWN tumor arising in the retroorbital region has not, to our knowledge, been previously reported. We report the case of a woman with chronic renal failure and a rapidly progressive proptosis with loss of visual acuity secondary to orbital brown tumor.
Report of a Case
A 24-year-old woman receiving long-term hemodialysis, with a four-year history of renal failure secondary to glomerulonephritis, was admitted to Montefiore Hospital on July 30, 1976, complaining of rapidly progressive proptosis of the right eye (OD), right-sided headaches, decrease in visual acuity, and right facial numbness. She had a 12-mm proptosis of the right eye, with severe reduction in extraocular motion in all directions. Visual acuity was 20/70 OD, and 20/25 in the left eye. A Marcus-Gunn pupil was present in the right eye. Funduscopic examination showed striking choroidal folds in the posterior pole of the right eye. Hypesthesia was present in the right infraorbital nerve
Holzer NJ, Croft CB, Walsh JB, Naidich T, Zarday Z. Brown Tumor of the Orbit. JAMA. 1977;238(16):1758–1759. doi:10.1001/jama.1977.03280170052029
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