Endomyocardial fibrosis in dermatomyositis.

The case reported in this paper, besides illustrating many of the clinical and pathological aspects of chronic dermatomyositis, documents a yet undescribed feature of involvement of the heart in dermatomyositis, namely endomyocardial fibrosis. The pathogenetic mechanism of such a happening is discussed, and its possible relationship to tropical endomyocardial fibrosis is considered.