This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Ichthyosis is associated with – 
Select and explain. 
A. Hodgkins disease, B. AIDS, C. Hypothyroidism, D. All
D: All
Answer: D: All 
Explanation: Hypothyroidism, AIDS and Hodgkin's lymphoma can cause ichthyosis acquista (acquired ichthyosis).