Template:DiseaseDisorder infobox Ichthyosis acquisita (or “acquired ichthyosis”) is a disorder clinically and histologically similar to ichthyosis vulgaris. It may develop in patients of any age with certain forms of malignant disease and infectious disease, in dietary and vitamin A deficiencies, as a side effect of cholesterol-lowering medication, in dialysis patients, hypothyroidism or for no apparent reason. It usually is associated with people who have Hodgkin’s disease but it is also occurs in people with mycosis fungoides, other malignant sarcomas, Kaposi’s sarcoma and visceral carcinomas. It can occur in people suffering from leprosy, AIDS, tuberculosis, and typhoid fever.