Korean J Nephrol.
2004 Nov;23(6):1031-1034.
A Case of Metastatic Calcification Occurring at Sternoclavicular Joint in a Patient Receiving Maintenance Hemodialysis
- Affiliations
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- 1Department of Internal Medicine, Chonbuk National University Medical School, Jeonju, Korea. parksk@chonbuk.ac.kr
- 2Research Institute for Clinical Medicine, Chonbuk National University Medical School, Jeonju, Korea.
Abstract
- Extraosseous metastatic calcification in patients undergoing maintenance hemodialysis results from precipitation of amorphous calcium phosphate and it is characterized by extensive calcifications of periarticular soft tissues, usually around the large joints, manifested clinically by palpable and visible tumors associated with secondary hyperparathyroidism. Extraosseous metastatic calcification can be present in the heart, lungs, stomach, kidneys, skeletal muscle, and around large joints. In the present case, the patient on maintenance hemodialysis has the unusual sites of metastatic calcification, involving both shoulders, the right hip joint, and especially, sternoclavicular joint. To prevent metastatic calcification, we need to decrease calcium, phosphorus, and parathyroid hormone concentration as well as to attenuate calcium phosphorus product.
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