1A: Erythema, leukoplakia and papillary atrophy of the tongue in a 9 year old female, mutant gene unknown.
1B: Mild Papillary atrophy and leukoplakia of the tongue in a reticular pattern in a 10 year old male with mutant DKC1.
1C. Plaque-like leukoplakia on the dorsum of the tongue in a 21 yr old male, mutant gene unknown.
1D. Plaque-like leukoplakia with brown pigmentation of tongue in a patient with mutantb TERC.