1. Ring-like calcifications of the kidney
Yi-Jen Chen, Ming-Shian Lin, Chi-Yi Chen, Cheng-Huang Shen, Wei Chen 
Kidney International 
Volume 79, Issue 7, (April 2011)
DOI: /ki
Copyright © 2011 International Society of Nephrology Terms and Conditions

2. Figure 1
Computed tomography of the abdomen showing an enlarged and necrotic tumor with some calcified lymph nodes in the right renal hilum region (arrow).
Kidney International  , DOI: ( /ki )
Copyright © 2011 International Society of Nephrology Terms and Conditions

3. Figure 2
Histological examination showing chronic granulomatous region with granulomas, caseous necrosis, and Langhan’s giant cells. In addition, acid-fast bacilli were found.
Kidney International  , DOI: ( /ki )
Copyright © 2011 International Society of Nephrology Terms and Conditions