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Kidney Actinomycosis, A Rare Diagnosis That Can Mimic Renal Cell Carcinoma: A Case Report and Review of the Literature

Manasanch, Elisabet Esteve MD*; Grivas, Petros D. MD, PhD; Walter, Otto MD; Davaro, Raul MD§

Infectious Diseases in Clinical Practice:
doi: 10.1097/IPC.0b013e31824f8c34
Case Reports
Abstract

Abstract: Actinomycosis of the kidney is a rare bacterial infection, which poses a diagnostic challenge. Because the diagnosis can mimic a renal tumor, excision is often the diagnostic and therapeutic option. We describe the first case of renal actinomycosis in a woman with previously diagnosed renal cell carcinoma of the contralateral kidney. In contrast to most cases, sparing of her only functioning kidney was the priority that prompted a conservative diagnostic approach and treatment, as equally effective as surgery.

Author Information

From the *Medical Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD; †Division of Hematology and Oncology, Department of Internal Medicine, School of Medicine, University of Michigan, Ann Arbor, MI; ‡Department of Pathology, and §Division of Infectious Diseases, Department of Medicine, School of Medicine, University of Massachusetts, Worcester, MA.

Correspondence to: Elisabet Esteve Manasanch, MD, National Institutes of Health, 9000 Rockville Pike, Bldg 10, 12N226, Bethesda, MD 20892. E-mail: eli.manasanch@gmail.com.

The authors have no funding or conflicts of interest to disclose.

© 2012 Lippincott Williams & Wilkins, Inc.