Three stripes sign: muscle involvement with internal fibrosis in a patient with sarcoidosis 2014年06月14日 | 医局のソファー BMJ Case Rep. 2014 Jun 10;2014. pii: bcr2014204691. doi: 10.1136/bcr-2014-204691. Three stripes sign: muscle involvement with internal fibrosis in a patient with sarcoidosis. Tsujimoto N, Saraya T, Shimoda M, Goto H.