Renal Metanephric Adenoma Mimicking Papillary Renal Cell Carcinoma on Computed Tomography: A Case Report

2013 ◽  
Vol 90 (3) ◽  
pp. 369-372 ◽  
Author(s):  
Akinori Masuda ◽  
Takao Kamai ◽  
Tomoya Mizuno ◽  
Tsunehito Kambara ◽  
Hideyuki Abe ◽  
...  
2013 ◽  
Vol 1 (2) ◽  
pp. 318-320 ◽  
Author(s):  
ZHENYU FU ◽  
LIGUO SUN ◽  
YUHUA HUANG ◽  
JIE ZHANG ◽  
ZICHAO ZHANG ◽  
...  

2016 ◽  
Vol 25 (1) ◽  
pp. 78-82
Author(s):  
Ji Yeon Kim

Renal adenomatosis is a rare disease characterized by numerous adenomas in bilateral kidneys. A literature review shows that malignant tumors can arise in this condition. The present case describes an oncocytic papillary renal cell carcinoma (PRCC) arising in renal adenomatosis. A 70-year-old man presented with incidentally identified, multiple right renal masses on computed tomography. Right nephrectomy was performed, and the resected kidney revealed numerous radiologically undetected small nodules additionally. Microscopically, the nodules were papillary neoplasms of variable sizes and cytological features. The largest nodule measured 1.6 cm and was composed of oncocytic cells, meeting the diagnostic criteria of oncocytic PRCC. The smaller nodules of papillary adenomas and tiny lesions showing a single papillary ingrowth were also seen. This case exhibits a spectrum of renal papillary neoplasms in a resected kidney and can be a valuable case in the understanding of tumorigenesis.


2014 ◽  
Vol 8 (11-12) ◽  
pp. 928 ◽  
Author(s):  
Cevahir Özer ◽  
Mehmet Resit Gören ◽  
Tulga Egilmez ◽  
Nebil Bal

Renal oncocytomas accounts for 3% to 9% of primary renal neoplasms. The coexistence of renal cell carcinoma (RCC) within the oncocytoma is extremely rare. We report the case of an asymptomatic 74-year-old man with papillary RCC within oncocytoma managed with left radical nephrectomy.


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