7/1/23, 12:37 AM Hyperkeratosis Pathway Feedback Search Clinical Topics Home Findings Hyperkeratosis Hyperkeratosis More common causes Actinic keratosis Psoriasis Eczema Keratosis pilaris Cutaneous squamous cell carcinoma Lichen planus Bowen disease Less common causes Porokeratosis Actinic keratoses Tyrosinaemia type 2 Incontinentia pigmenti Erythroderma Follicular hyperkeratosis Tylosis Cutaneous horn Basal cell papilloma Palmoplantar keratosis https://web.pathway.md/findings/recr1Vgi4o2xd4T26 1/2 7/1/23, 12:37 AM Hyperkeratosis Pathway Uncommon causes Lethal restrictive dermopathy Leser-Trelat sign Lichen spinulosus Naxos disease Bullous ichthyosiform erythroderma Acrokeratosis paraneoplastica of Bazex Dolichol kinase deficiency Hyperkeratosis lenticularis perstans Pityriasis rubra pilaris Erythrokeratodermia variabilis et progressiva Stucco keratosis Acquired acral fibrokeratoma of finger Hereditary painful callosities https://web.pathway.md/findings/recr1Vgi4o2xd4T26 2/2