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DOI: 10.1148/radiol.2393050459
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MR Imaging of Middle Cerebellar Peduncle Width: Differentiation of Multiple System Atrophy from Parkinson Disease1

Giuseppe Nicoletti, MD, Francesco Fera, MD, Francesca Condino, PhD, William Auteri, MD, Olivier Gallo, STc, Pierfrancesco Pugliese, MD, Gennarina Arabia, MD, Letterio Morgante, MD, Paolo Barone, MD, Mario Zappia, MD and Aldo Quattrone, MD

1 From the Institute of Neurological Sciences, National Research Council, Mangone, Cosenza, Italy (G.N., F.F., F.C., O.G., M.Z., A.Q.); Department of Neurosciences, Azienda Ospedaliera, Cosenza, Italy (W.A.); Institute of Neurology, University Magna Graecia, Catanzaro, Italy (P.P., G.A., M.Z., A.Q.); Department of Neuroscience, Psychiatry and Anesthesiology, University of Messina, Policlinico Universitario, Messina, Italy (L.M.); and Department of Neurological Sciences, University Federico II, Naples, Italy (P.B.). Received March 17, 2005; revision requested May 10; revision received June 23; accepted July 20; final version accepted September 6. Address correspondence to A.Q., Clinica Neurologica, Policlinico Universitario Campus di Germaneto, 88100 Catanzaro, Italy (e-mail: a.quattrone{at}isn.cnr.it).


Figure 1
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  		Figure 1a: Sagittal T1-weighted volumetric spoiled gradient-echo (15.2/6.8) MR images show MCP width (arrow) in a (a) control subject (MCP width, 8.9 mm), (b) PD patient (MCP width, 8.5 mm), (c) MSA patient without cruciform hyperintensity (MCP width, 7.1 mm), and (d) MSA patient with cruciform hyperintensity (MCP width, 5.8 mm).

 

Figure 1
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  		Figure 1b: Sagittal T1-weighted volumetric spoiled gradient-echo (15.2/6.8) MR images show MCP width (arrow) in a (a) control subject (MCP width, 8.9 mm), (b) PD patient (MCP width, 8.5 mm), (c) MSA patient without cruciform hyperintensity (MCP width, 7.1 mm), and (d) MSA patient with cruciform hyperintensity (MCP width, 5.8 mm).

 

Figure 1
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  		Figure 1c: Sagittal T1-weighted volumetric spoiled gradient-echo (15.2/6.8) MR images show MCP width (arrow) in a (a) control subject (MCP width, 8.9 mm), (b) PD patient (MCP width, 8.5 mm), (c) MSA patient without cruciform hyperintensity (MCP width, 7.1 mm), and (d) MSA patient with cruciform hyperintensity (MCP width, 5.8 mm).

 

Figure 1
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  		Figure 1d: Sagittal T1-weighted volumetric spoiled gradient-echo (15.2/6.8) MR images show MCP width (arrow) in a (a) control subject (MCP width, 8.9 mm), (b) PD patient (MCP width, 8.5 mm), (c) MSA patient without cruciform hyperintensity (MCP width, 7.1 mm), and (d) MSA patient with cruciform hyperintensity (MCP width, 5.8 mm).

 

Figure 2
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  		Figure 2: Box plot of the MCP widths obtained in patients with MSA and PD and in control subjects. Note that none of the MCP measurements in the MSA group reached the lowest value obtained in PD patients or control subjects. Vertical solid lines (whiskers) show lower and upper MCP width. Box stretches from lower hinge (25th percentile) to upper hinge (75th percentile); median is shown as line across each box.

 




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