Abstract
The olfactory system consists of the primary olfactory nerves in the nasal cavity, the olfactory bulbs and tracts, and numerous intracranial connections and pathways. Diseases affecting the sense of smell can be located both extracranially and intracranially. Many sinonasal inflammatory and neoplastic processes may affect olfaction. Intracranially congenital, traumatic, and neurodegenerative disorders are usually to blame for olfactory dysfunction. The breadth of diseases that affect the sense of smell is astounding, yet the imaging ramifications have barely been explored.
MeSH terms
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Acquired Immunodeficiency Syndrome / complications
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Age Factors
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Aging / physiology
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Esthesioneuroblastoma, Olfactory / diagnosis
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Humans
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Magnetic Resonance Imaging / methods*
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Melanoma / complications
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Melanoma / diagnosis
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Neurodegenerative Diseases / complications
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Olfaction Disorders / congenital
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Olfaction Disorders / diagnosis*
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Olfaction Disorders / etiology
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Olfactory Bulb / anatomy & histology*
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Olfactory Bulb / physiology
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Olfactory Nerve / physiology
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Olfactory Pathways / anatomy & histology*
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Olfactory Pathways / physiology
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Paranasal Sinus Neoplasms / complications
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Paranasal Sinus Neoplasms / diagnosis
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Rhinitis / complications
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Rhinitis / diagnosis
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Sinusitis / complications
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Sinusitis / diagnosis
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Smell / physiology