case_images: PMC2913535_01
case_images: (a) Black hairy tongue on the dorsum of the tongue (Case 1). (b) Brownish hair-like elongation of filiform papillae ( ) and whitish lingual papillae ( ) (Case 1).
case_images: DRP2010-145878.001.jpg
case_images: PMC2913535_01_DRP2010-145878.001.jpg
case_images: fig1
case_images: An 82-year-old Japanese man of complained of dysgeusia with black discoloration on the tongue surface (Figure 1(a)). Dermoscopic examination demonstrated brownish hair-like elongation of filiform papillae with whitish lingual papillae (Figure 1(b)).
case_images: PMC2913535_02
case_images: (a) Black hairy tongue on the dorsum of the tongue (Case 2). (b) Numerous brownish hair-like elongation of filiform papillae covering over whitish lingual papillae ( ) (Case 2).
case_images: DRP2010-145878.002.jpg
case_images: PMC2913535_02_DRP2010-145878.002.jpg
case_images: fig2
case_images: Physical examination revealed yellowish brown to brownish black discoloration on the dorsum of the tongue (Figure 2(a)). Dermoscopic examination demonstrated numerous brownish hair-like elongation of filiform papillae covering over whitish lingual papillae (Figure 2(b)).