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Observational Study
Copyright: ©Author(s) 2026.
World J Methodol. Sep 20, 2026; 16(3): 121149
Published online Sep 20, 2026. doi: 10.5662/wjm.121149
Table 2 Distribution of hyperkeratosis subtypes (absolute number of lesions)
Hyperkeratosis subtype
n (%)
Medial periungual hyperkeratosis260 (31.5)
Lateral periungual hyperkeratosis192 (23.3)
Pinch callus95 (11.5)
Submetatarsal head hyperkeratosis87 (10.6)
Calcaneal xerosis52 (6.3)
Apical toe lesion52 (6.3)
Dorsal hyperkeratosis (PIP joint)32 (3.9)
Interdigital heloma29 (3.5)
Plantar toe lesion15 (1.8)
Retrocalcaneal xerosis6 (0.7)
Lateral skin lesion, fifth toe5 (0.6)


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