Abstract
The literatures of Deltoid Muscle Contractures have been increasing in number since Sato's original report in 1965. The clinical features of this disease are abduction deformity of shoulder joint, prominent scapula, anterior prominent of humeral head, a cord like portion and so on.
Histological finding in this disease was mentioned fibrosis of middle part of deltoid muscle. We investigated histological and histochemical findings of this conditions.
Histological finding was disintegration of muscle fiber with collagenisation.
Histochemically, we couldn't find phosphorylase and Adenosinetriphosphatase activities in fibrous tissue. But we could find a little in several residual degenerated muscle.