皮專考生必背口訣：後天性魚鱗癬 (acquired ichthyosis)

新版的皮膚科教科書真的多了很多內容，有空來做點小整理好了！

以下是後天性魚鱗癬的幾種可能因素：

1.      Malignancies: Hodgkin disease, non-Hodgkin lymphomas, mycosis fungoides

2.      Drugs: cholesterol lowering agents (nicotinic acid, triparanol), cimetidine, clofazimine, hydroxyurea

3.      Endocrine and metabolic disease

4.      Malnutrition

5.      Sarcoidosis

6.      Infection: HIV, HTLV-I/II, other infection

7.      Autoimmune conditions: systemic lupus erythematosus, dermatomyositis, mixed connective tissue disease, and eosinophilic fasciitis

8.      Graft-versus-host disease

9.      Kava dermopathy (made from the root of a pepper plant)

From Fitzpatrick’s Chapter 47 :The Ichthyoses