1. A dialysis patient with a nodular tongue
Chun-Fan Chen, Sung-Hua Chuang, Ho-Tai Wu, Cheng-Hsien Wu, Wing-Yin Li, Chiao-Lin Chuang, Wu-Chang Yang, Chih-Yu Yang 
Kidney International 
Volume 78, Issue 6, (September 2010)
DOI: /ki
Copyright © 2010 International Society of Nephrology Terms and Conditions

2. Figure 1
The tongue was covered with numerous mottled whitish-to-yellowish, cobblestone-like nodules.
Kidney International  , DOI: ( /ki )
Copyright © 2010 International Society of Nephrology Terms and Conditions

3. Figure 2
Congo red staining of the lingual tissue revealed typical apple-green birefringence under polarized light (original magnification × 200).
Kidney International  , DOI: ( /ki )
Copyright © 2010 International Society of Nephrology Terms and Conditions