Sarcoidosis Manifested by Gradual Flexion Deformity of Fingers of Both Hands

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A 59 years old woman was first seen by us in December 1953 with chief complaint of gradual flexion deformity of fingers of both hands.The flexion position of the digits was diminished by palmar flexion of the wrist. The volar aspect of the right forearm was explored. The flexor digitorum profundus muscle was quite dark in color and tightened. Tendon transfers were done.The microscopic examination of the muscle revealed tubercle formation consisting of epitheloid cells without necrosis. The case was diagnosed as muscular sarcoidosis. Since then, the patient has been treated with cortisone.The flexion deformity of the left hand cannot be improved. On the other hand, all digits of the right hand can be fairly well extended.