case_images: PMC5752972_01
case_images: (a) The hypopigmented keratotic lesions on the upper back. (b) The close-up appearance of the lesions on the extensor surface of the right upper arm.
case_images: CRIDM2017-1617375.001.jpg
case_images: PMC5752972_01_CRIDM2017-1617375.001.jpg
case_images: fig1
case_images: Dermatological examination revealed hypopigmented, 2-5 mm in size, nonfollicular, numerous keratotic lichenoid papules on the whole body with a symmetrical distribution (Figure 1(a)). The lesions coalesced to form larger and linear lesions on the extensor surfaces of the upper arms (Figure 1(b)).
case_images: Orthohyperkeratosis, irregular acanthosis, and sporadic papillomatosis. HE x40 (HE: hematoxylin and eosin).
case_images: CRIDM2017-1617375.002.jpg
case_images: PMC5752972_01_CRIDM2017-1617375.002.jpg
case_images: fig2
case_images: Histopathological examination of the lesions revealed orthohyperkeratosis, irregular acanthosis, and sporadic papillomatosis (Figure 2).
case_images: The appearance of the left upper back and the left upper arm after 2 months of the treatment.
case_images: CRIDM2017-1617375.003.jpg
case_images: PMC5752972_01_CRIDM2017-1617375.003.jpg
case_images: fig3
case_images: The patient was treated with topical 5% salicylic acid in petrolatum for 2 weeks and oral acitretin for 2 months and showed significant improvement predominantly on the keratosis (Figure 3).