Abstract
We present two rare lumbar lesions with similar MRI features: high signal on T1-weighted and proton density images and low signal on T2-weighted images; a melanotic schwannoma, and a giant-cell tumour-like lesion. Melanin in the first case and haemosiderin and metahaemoglobin in the second were responsible for the MRI characteristics.
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Received: 25 August 1999/Accepted: 3 September 1999
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Aprile, I., Scott, C., Cervesato, D. et al. Two rare lumbar tumours with unusual MRI characteristics. Neuroradiology 42, 458–461 (2000). https://doi.org/10.1007/s002340000306
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DOI: https://doi.org/10.1007/s002340000306