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  • Title: [MRI in progressive sensorineural hearing loss].
    Author: Ferrara P, Manfrè L, Ferrara S.
    Journal: Acta Otorhinolaryngol Ital; 1998 Aug; 18(4 Suppl 59):80-6. PubMed ID: 10205939.
    Abstract:
    Magnetic resonance contrast imaging using gadolinium-DTPA and performing new high resolution sequences (Fast Spin-Echo, Spoiled Gradient-Echo) or angiographic sequences (Magnetic Resonance Angiography) allows an excellent visualization of the inner ear and the cerebellopontine angle to be obtained. Furthermore, using sequences obtained with the "steady-state" technique (Gradient Recalled At Steady-State-GRASS, Constructive Interference at Steady-State-CISS), a good analysis of the structures of the membranous labyrinth can be achieved. Based on these diagnostic techniques, we have studied the morphological features of the membranous labyrinth in patients with progressive sensorineural hearing loss due to inner ear malformations, labyrinthitis, neuritis of VII and VIII cranial nerves, degenerative entities such as otosclerosis and Ménière's disease, neoplasms of the cerebellopontine angle, of the inner ear and of the middle ear (glomus tumours, acoustic neuromas, meningiomas, epidermoid tumours, arachnoid cysts and malignant neoplasms).
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