President's Message and ISUP Gleason Grading Consensus
     - Jonathan I. Epstein, Johns Hopkins Hospital, Baltimore, MD

Inflammatory Myofibroblastic Tumors of the Genitourinary Tract: Etiology, Diagnosis, and Management
     - Elizabeth Montgomery, Johns Hopkins Hospital, Baltimore, MD

Perivascular Epithelioid Cell Tumor (PEComa) in the Genitourinary Tract
     - Guido Martignoni, Dipartimento di Patologia, Università di Verona, Verona, Italy

Inverted Papillomas of the Bladder and Their Variants Versus Inverted Growth Patterns of Cancer
     - Antonio Lopez-Beltran, Cordoba University School of Medicine, Cordoba, Spain

AMACR: A Help or Hindrance in the Diagnosis of Prostate Cancer?
     - Ximing J. Yang, Northwestern University, Chicago, IL

Immunohistochemistry for the Diagnosis of Renal Cell Carcinoma: Does It Really Help and Make a Difference?
     - John C. Cheville, Mayo Clinic and Mayo Foundation, Rochester, MN