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ORIGINAL ARTICLE Morphological Changes of Olfactory Bulbs and Grooves: Initial Report of Supernumerary Olfactory Bulbs Lucien M. Levy, MD, PhD,* Andrew J. Degnan, M Phil,Þ Salil Sharma, MD,* Linda Kelahan, BA,Þ and Robert I. Henkin, MD, PhDþ olfactory sulci has been reported to be smaller than normal in Background: Observations and measurements of olfactory structures 15,16 patients with congenital smell loss but not in patients with in humans have been difficult and not of common neuroradiological 13 smell loss with Parkinson disease. These studies and others in- interest. Because of our interest in olfaction, we have studied the pres- 17Y20 volving changes in brain function using functional MRI have ence, size, and function of these structures in normal subjects and in contributed to the evaluation and understanding of relationships patients with smell loss. 21 between olfactory brain structures and human olfactory function. Methods: Magnetic resonance imaging studies of brain were per- To further evaluate the character of the initial olfactory brain formed in 220 consecutive patients in our medical center for a variety of structures, we evaluated in a systematic manner MRI studies in clinical neurological investigations. Magnetic resonance imaging studies a large group of patients referred to our
Journal of Computer Assisted Tomography – Wolters Kluwer Health
Published: Jul 1, 2012
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