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AJNR - American Journal of Neuroradiology

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The Choline/Creatine Ratio in Five Benign Neoplasms: Comparison with Squamous Cell Carcinoma by Use of in Vitro MR Spectroscopy

Shailendra R. Maheshwari^a, Suresh K. Mukherji^a,b, Brian Neelon^a, Sharon Schiro^a, Girish M. Fatterpekar^a, Jeffrey A. Stone^a and Mauricio Castillo^a

^a From the Departments of Radiology (S.R.M., S.K.M., S.S., G.M.F., J.A.S., M.C.), Surgery (S.K.M.), and Anesthesiology (S.K.M.), and the Lineberger Comprehensive Cancer Center (S.K.M., B.N.), University of North Carolina, Chapel Hill.
^b Address reprint requests to Suresh K. Mukherji, MD, Department of Radiology, 3324 Old Infirmary, CB# 7510, University of North Carolina School of Medicine, Chapel Hill, NC 27599.

View larger version (15K): [in a new window]   FIG 1. Inverting papilloma. In vitro 1D proton MR spectrum (2000/136/128) shows elevation of the Cho/Cr ratio. Curved arrow indicates Cho; straight arrow, Cr

View larger version (10K): [in a new window]   FIG 2. Glomus tumor. In vitro 1D proton MR spectrum (2000/136/128) shows elevation of the Cho/Cr ratio. Curved arrow indicates Cho; straight arrow, Cr

View larger version (11K): [in a new window]   FIG 3. Vagal schwannoma. In vitro 1D proton MR spectrum (2000/136/128) shows elevation of the Cho/Cr ratio. Curved arrow indicates Cho; straight arrow, shoulder of Cr resonance

View larger version (9K): [in a new window]   FIG 4. Strap muscle. In vitro 1D proton MR spectrum (2000/136/128) shows similar areas of the Cho/Cr ratio. Curved arrow indicates Cho; straight arrow, Cr

View larger version (10K): [in a new window]   FIG 5. SCCA. In vitro 1D proton MR spectrum (2000/136/128) of SCCA obtained from the same patient as in figure 3 shows elevation of the Cho/Cr ratio. Curved arrow indicates Cho; straight arrow, Cr