Radiolabeled Leucocyte Imaging in Diffuse Granulomatous Involvement of the Meninges in Wegener's Granulomatosis: Scintigraphic Findings and Their Role in Monitoring Treatment Response to Specific Immunotherapy (Humanized Monoclonal Antilymphocyte Antibodies) ================================================================================================================================================================================================================================================================== * Joseph M. Murphy * Kottekkattu K. Balan * Andoni Toms * Beatriz Gomez-Anson * Martin Lockwood