[Meningeal melanocytoma: a rare meningeal tumor]. 2003

M Châabane, and S Ellouze, and A Hamrouni, and N Mlika, and M Ben Hammouda, and F Khoudja
Hôpital de jour de l'Ariana.

Meningeal melanocytoma is a rare benign pigmented tumor. It develops from melanocytes normally present in the meninges of the posterior fossa and medulla. It is an extra axial tumor, that manifests due to compression of adjacent structures. The authors report a case of meningeal melanocytoma located at the foramen magnum. They insist on the characteristic paramagnetic signal of the tumor on the different MRI sequences.

UI MeSH Term Description Entries
D007089 Image Enhancement Improvement of the quality of a picture by various techniques, including computer processing, digital filtering, echocardiographic techniques, light and ultrastructural MICROSCOPY, fluorescence spectrometry and microscopy, scintigraphy, and in vitro image processing at the molecular level. Image Quality Enhancement,Enhancement, Image,Enhancement, Image Quality,Enhancements, Image,Enhancements, Image Quality,Image Enhancements,Image Quality Enhancements,Quality Enhancement, Image,Quality Enhancements, Image
D007091 Image Processing, Computer-Assisted A technique of inputting two-dimensional or three-dimensional images into a computer and then enhancing or analyzing the imagery into a form that is more useful to the human observer. Biomedical Image Processing,Computer-Assisted Image Processing,Digital Image Processing,Image Analysis, Computer-Assisted,Image Reconstruction,Medical Image Processing,Analysis, Computer-Assisted Image,Computer-Assisted Image Analysis,Computer Assisted Image Analysis,Computer Assisted Image Processing,Computer-Assisted Image Analyses,Image Analyses, Computer-Assisted,Image Analysis, Computer Assisted,Image Processing, Biomedical,Image Processing, Computer Assisted,Image Processing, Digital,Image Processing, Medical,Image Processings, Medical,Image Reconstructions,Medical Image Processings,Processing, Biomedical Image,Processing, Digital Image,Processing, Medical Image,Processings, Digital Image,Processings, Medical Image,Reconstruction, Image,Reconstructions, Image
D008279 Magnetic Resonance Imaging Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques. Chemical Shift Imaging,MR Tomography,MRI Scans,MRI, Functional,Magnetic Resonance Image,Magnetic Resonance Imaging, Functional,Magnetization Transfer Contrast Imaging,NMR Imaging,NMR Tomography,Tomography, NMR,Tomography, Proton Spin,fMRI,Functional Magnetic Resonance Imaging,Imaging, Chemical Shift,Proton Spin Tomography,Spin Echo Imaging,Steady-State Free Precession MRI,Tomography, MR,Zeugmatography,Chemical Shift Imagings,Echo Imaging, Spin,Echo Imagings, Spin,Functional MRI,Functional MRIs,Image, Magnetic Resonance,Imaging, Magnetic Resonance,Imaging, NMR,Imaging, Spin Echo,Imagings, Chemical Shift,Imagings, Spin Echo,MRI Scan,MRIs, Functional,Magnetic Resonance Images,Resonance Image, Magnetic,Scan, MRI,Scans, MRI,Shift Imaging, Chemical,Shift Imagings, Chemical,Spin Echo Imagings,Steady State Free Precession MRI
D008297 Male Males
D008577 Meningeal Neoplasms Benign and malignant neoplastic processes that arise from or secondarily involve the meningeal coverings of the brain and spinal cord. Intracranial Meningeal Neoplasms,Spinal Meningeal Neoplasms,Benign Meningeal Neoplasms,Leptomeningeal Neoplasms,Malignant Meningeal Neoplasms,Meningeal Cancer,Meningeal Neoplasms, Benign,Meningeal Neoplasms, Intracranial,Meningeal Neoplasms, Malignant,Meningeal Tumors,Neoplasms, Leptomeningeal,Neoplasms, Meningeal,Benign Meningeal Neoplasm,Cancer, Meningeal,Cancers, Meningeal,Intracranial Meningeal Neoplasm,Leptomeningeal Neoplasm,Malignant Meningeal Neoplasm,Meningeal Cancers,Meningeal Neoplasm,Meningeal Neoplasm, Benign,Meningeal Neoplasm, Intracranial,Meningeal Neoplasm, Malignant,Meningeal Neoplasm, Spinal,Meningeal Neoplasms, Spinal,Meningeal Tumor,Neoplasm, Benign Meningeal,Neoplasm, Intracranial Meningeal,Neoplasm, Leptomeningeal,Neoplasm, Malignant Meningeal,Neoplasm, Meningeal,Neoplasm, Spinal Meningeal,Neoplasms, Benign Meningeal,Neoplasms, Intracranial Meningeal,Neoplasms, Malignant Meningeal,Neoplasms, Spinal Meningeal,Spinal Meningeal Neoplasm,Tumor, Meningeal,Tumors, Meningeal
D008578 Meninges The three membranes that cover the BRAIN and the SPINAL CORD. They are the dura mater, the arachnoid, and the pia mater.
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009508 Nevus, Pigmented A nevus containing melanin. The term is usually restricted to nevocytic nevi (round or oval collections of melanin-containing nevus cells occurring at the dermoepidermal junction of the skin or in the dermis proper) or moles, but may be applied to other pigmented nevi. Nevus, Melanocytic,Nevi, Melanocytic,Nevi, Pigmented,Pigmented Moles,Melanocytic Nevi,Melanocytic Nevus,Pigmented Nevi,Pigmented Nevus
D002533 Cerebral Angiography Radiography of the vascular system of the brain after injection of a contrast medium. Angiography, Cerebral,Angiographies, Cerebral,Cerebral Angiographies
D003937 Diagnosis, Differential Determination of which one of two or more diseases or conditions a patient is suffering from by systematically comparing and contrasting results of diagnostic measures. Diagnoses, Differential,Differential Diagnoses,Differential Diagnosis

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