Development of systemic sarcoidosis and xanthoma planum during multiple sclerosis treatment with interferon-beta 1a: Case Report. de Andrade A C D V, Brito E A, Harris O M O, de Andrade A P D V, Leite M F, Pithon M M Int J Dermatol. 2014 Sep 10. PMID: 25208461. Abstract CommentRecommendBookmarkWatch