Child inflammatory myofibroblastic tumor of the kidney misdiagnosed as Wilms’ tumor : Case report

Yu-Feng Bai^1,#, Jing-Zhong Liu^1,#, Li-Na Yue², Li Chen¹, Qiao-Hong Li¹,Sui-Yi Liu¹, Rui Liu^1,*

Department of Radiology, The 944th Hospital of Joint Logistics Support Force of People’s Liberation Army, 22 Xiongguan Road, Jiuquan 735000, Gansu, China

Department of Radiology, The 940th Hospital of Joint Logistics Support Force of People’s Liberation Army, 333 Nanbinhe Road, Lanzhou 730050, Gansu, China 3. Department of Internal medicine, The 944th Hospital of Joint Logistics Support Force of People’s Liberation Army, 22 Xiongguan Road, Jiuquan 735000, Gansu, China # Drs. Bai YF and Liu JZ contributed equally to this project.

*Correspondence should be addressed to Liu R at:

Department of Internal medicine, The 944th Hospital of Joint Logistics Support Force of People’s Liberation Army, 22 Xiongguan Road, Jiuquan 735000, Gansu, China

mail: 314065124@qq.com; Tel: 13919916790Conflict of interest All authors declare that there is no conflicts of interest for this work. I would like to declare on behalf of my co-authors that the case reported was original work that has not been published elsewhere, in whole or in part.Patient consent statement Written informed consent for academic use of his information was obtained from the children’s parents.

Abstract

Renal Inflammatory myofibroblastic tumor (IMT) is very rare and lacks characteristic clinical manifestation and radiographic features. This is a case discussing the radiologic and pathologic findings of a renal IMT in a 6-year-old boy who underwent radical nephrectomy for a right renal mass that was misdiagnosed as Wilms’ tumor.

Key words: Inflammatory myofibroblastic tumor, Wilms’ tumor, renal