Open AccessTendon calcifications in chondrocalcinosis
Author(s) -
Gerster Jean C.,
Boussina Iradj,
Baud Charles A.,
Lagier Rene,
Fallet Georges H.
Publication year - 1977
Publication title -
arthritis & rheumatism
Language(s) - English
Resource type - Journals
eISSN - 1529-0131
pISSN - 0004-3591
DOI - 10.1002/art.1780200212
Subject(s) - chondrocalcinosis , medicine , tendon , dermatology , anatomy , pathology , osteoarthritis , alternative medicine
Fine linear extraarticular calcium deposits were found in X‐rays of 7 of 52 patients with articular chondro‐calcinosis (ACC). Seven Achilles tendons, seven quadriceps tendons, and one plantar fascia were affected. In a control group of comparable age and sex, without ACC but with generalized osteoarthritis, no calcifications were found in the tendons. On a biopsy specimen of an Achilles tendon with such calcium deposits, X‐ray diffraction showed that they had the characteristics of calcium pyro‐phosphate dihydrate. Isolated small foci of crystals were observed on some segments of tendon bundles. The presence of fine linear calcifications on X‐rays of the Achilles or quadriceps tendons may be a useful aid in the radiologic diagnosis of so‐called articular chondrocalcinosis.