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Case Reports
. 1992 Oct;24(10):391-4.

False-positive magnetic resonance imaging of a metastatic carcinoma simulating a malignant melanoma

F H Davidorf  1 , R B Chambers, P Gresak
Affiliations
  • PMID: 1444077
Case Reports

False-positive magnetic resonance imaging of a metastatic carcinoma simulating a malignant melanoma

F H Davidorf et al. Ann Ophthalmol. 1992 Oct.

Abstract

Previous studies have shown the value of magnetic resonance imaging (MRI) in the diagnosis of malignant melanoma of the choroid. We describe the case of a patient with a choroidal mass whose MRI study was characteristic of malignant melanoma. Subsequently the eye was enucleated. However, on histopathologic examination, the mass was a metastatic carcinoma to the choroid. This false-positive study makes us question the value of MRI in the diagnosis of malignant melanoma of the choroid.

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