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Palmoplantar keratosis , varying from mild psoriasiform scaly skin to overt hyperkeratosis , typically develops within the first three years of life .
 Palmoplantar keratosis, hyperkeratosis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 Palmoplantar keratosis, hyperkeratosis