| | Epidermal hyperkeratosis | Acanthoma [1], acrosyringeal epidermolytic papulosis neviformis [2], actinic keratosis [1, 3], atypical/dysplastic nevus [4–6]*, basal cell carcinoma [1, 3]*, epidermoid cyst [3], infundibular cyst [7], dilated hair follicle [4], dilated pore [8], drug-induced acne [9], epidermal nevus [1, 3], granuloma annulare [10], hair follicle [1], hidradenoma [3], intraepidermal sweat duct unit [3], junctional/compound melanocytic nevus [1, 4–6], leukoplakia [11, 12], lichen amyloidosis [10], melanoma [1, 13]*, nevus comedonicus [14, 15], normal oral mucosa [16], nummular eczema [3], reactive erythema [1], scar [1, 3], seborrheic keratosis [1, 10], squamous cell carcinoma [10, 17]*, systemic sclerosis [18], tattoo [1], trichilemmal cyst [10] |
| | Focal acantholytic dyskeratosis | Basal cell carcinoma [19], chondrodermatitis nodularis helicis [19], benign nevi [19, 20], bullous lichen planus [*], condyloma [21, 22], lichen simplex chronicus [*], comedone [19], dermatofibroma [19, 23], fibrous papule [24], hemorrhoids [25, 26], malignant melanoma [19, 20, 27]*, melanocytic nevi with architectural disorder, scars, ruptured follicle, seborrheic keratoses [4, 19, 20, 22], pityriasis rosea [28], pityriasis rubra pilaris [29–31], psoriasis [24, 28], scar [20], squamous cell carcinoma [17], trichofolliculoma [32, 33], vascular nevi/cutis marmorata telangiectasis congenita, vascular twin nevi [34] |
| | Hailey-Hailey-like acantholysis | Acral arteriovenous hemangioma, psoriasis, regressing keratoacanthoma, [35], condyloma acuminatum [28], actinic keratosis [*], basal cell carcinoma [*], benign tumors, malignant tumors [2], seborrheic keratosis [*] |
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