Journal of Bone and Joint Surgery, 1967;49:1636-1646.
© 1967 by The Journal of Bone and Joint Surgery, Inc
Ultrastructure of Synovial Membrane in Human Hemarthrosis
S. ROY M.D., PH.D.1 and
F. N. GHADIALLY M.D., PH.D., D.SC., M.C. PATH.1
1 From the Department of Pathology, University of Sheffield, Sheffield
The synovium from six patients with hemarthrosis was studied, and the results were compared with those previously obtained from a study of experimental hemarthrosis in the rabbit. It was concluded that in both instances many shed erythrocytes escape from the joint by passing between synovial cells. Some erythrocytes,
[See figure in the PDF file]
however, are phagocytosed by these cells. Next fragmentation of the erythrocyte occurs. This is followed by the formation of unicentric or multicentric whorled bodies and siderosomes.