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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 27:1438-1440, August 2006
© 2006 American Society of Neuroradiology

Case Report
BRAIN

MR Spectroscopy-Aided Differentiation: "Giant" Extra-Axial Tuberculoma Masquerading as Meningioma

P.C. Khanna^a, S. Godinho^a, D.P. Patkar^a, S.A. Pungavkar^a and M.A. Lawande^a

^a From the Department of Magnetic Resonance Imaging, Nanavati Hospital, Mumbai, India

Address correspondence to Paritosh C. Khanna, 2200 Columbia Pike, Apt # 418, Arlington, VA 22204; e-mail: paritoshkhanna{at}hotmail.com

SUMMARY: Tuberculosis is common in the developing world and in developed nations secondary to increasing immunocompromise in the population. It commonly causes meningitis and parenchymal tuberculomas. We present a case of an unusual masslike "giant" extra-axial tuberculoma during pregnancy. Unusual morphology and size at imaging made meningioma a close differential. MR spectroscopy served to complement MR imaging, providing diagnostic confirmation and depicted findings characteristic of a tuberculoma.