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  Indian J Med Microbiol
 

Figure 15: (a) Cartoon illustration of subungual hyperkeratosis of nail psoriasis. (b) Clinical feature of subungual hyperkeratosis on the right big toenail (patient). (c) Polarized dermoscopy of subungual hyperkeratosis in psoriasis with the accumulation of scales (red asterisks) under the nail plate, which is detached and uplifted (blue arrows) (×40)

Figure 15: (a) Cartoon illustration of subungual hyperkeratosis of nail psoriasis. (b) Clinical feature of subungual hyperkeratosis on the right big toenail (patient). (c) Polarized dermoscopy of subungual hyperkeratosis in psoriasis with the accumulation of scales (red asterisks) under the nail plate, which is detached and uplifted (blue arrows) (×40)