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AJNR - American Journal of Neuroradiology

Published ahead of print on September 24, 2007
doi: 10.3174/ajnr.A0682

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American Journal of Neuroradiology 28:1633-1638, October 2007
© 2007 American Society of Neuroradiology

Pathology Review

Neuropathology for the Neuroradiologist: Antoni A and Antoni B Tissue Patterns

F.J. Wippold, II^a,b,c, M. Lubner^a,b, R.J. Perrin^d, M. Lämmle^a,b and A. Perry^d

^a Mallinckrodt Institute of Radiology, Washington University School of Medicine, St Louis, Mo
^b Department of Radiology, Barnes-Jewish Hospital South, St Louis, Mo
^c Department of Radiology/Nuclear Medicine, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Md
^d Neuropathology Division, Department of Pathology and Immunology, Washington University School of Medicine, St Louis, Mo

Please address correspondence to Franz J. Wippold II, Neuroradiology Section, Mallinckrodt Institute of Radiology, Washington University Medical Center, 510 South Kingshighway Blvd, St Louis, MO 63110; e-mail: wippoldf{at}wustl.edu

SUMMARY: Histologic patterns of cellular architecture often suggest a tissue diagnosis. Distinctive histologic patterns seen within the peripheral nerve sheath tumor schwannoma include the Antoni A and Antoni B regions. The purpose of this report is to review the significance of Antoni regions in the context of schwannomas.