Summary
The computed tomographic morphology of malignant choroidal melanoma and its perfusion characteristics are described. Thirty-three static and serial CT examinations made on 29 patients with choroidal melanoma, three with pseudotumors of the macula and one with choroidal metastasis revealed the choroidal melanoma to be usually a hyperdense, markedly perfused tumor, while the non-contrast, diagnostically undifferentiable pseudotumors and the choroidal metastasis, revealed no significant change in density after the administration of contrast material. Density values or perfusion characteristics of choroidal melanoma that are outside of the normal range are a result of secondary changes within the immediate surroundings of the tumor, such as detachment of the retina, tumor-induced glaucoma, or tumor necrosis.
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Heller, M., Guthoff, R., Hagemann, J. et al. CT of malignant choroidal melanoma—morphology and perfusion characteristics. Neuroradiology 23, 23–30 (1982). https://doi.org/10.1007/BF00399701
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DOI: https://doi.org/10.1007/BF00399701